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Tech Specifications – The Knock Drawer Co.

Scan dimensions, materials, finishes, and key specs for each model. Drawer handles are available in Walnut or Black Nylon where applicable.

Commercial Models

Grounds Control premium knock drawer hero photo
Applications Commercial & Domestic
Models
  • GC1 – 280 x 370 x 100mm
  • GC5 – 210 x 300 x 80mm
  • GC7 – 160 x 250 x 85mm
Finishes
  • Mirror
  • Satin
  • Matt Black
Handle Options Walnut & Black Nylon
Key Specs
  • - Heavy-duty 1.5mm food grade stainless steel body
  • - Static load capacity of 40+ kg (88 lbs) with safety margin
  • - Waste capacity of up to 70 espresso pucks (in the largest model)
  • - Exclusive triangular knock bar with reinforced core
  • - Laser cut bar brackets
  • - Ergonomic handle
  • - CNC machined rails for smooth glide
  • - Embedded rubber feet for stability & vibration control
  • - Compatible with laser engraving custom branding
Materials 1.5 mm stainless steel body; EPDM triangular knock bar with reinforced core; CNC-machined nylon rails; 3 mm laser-cut stainless bar brackets; embedded rubber feet; handle in walnut or black nylon.
Description Our premium Grounds Control model is precision engineered and designed to withstand heavy daily use. Featuring our unique triangular knock bar with reinforced core, it delivers strength, reliability and a cleaner knock every time. Trusted by professionals and the home barista enthusiast.

*drawer length does not include handle

Grounds Breaker commercial knock drawer hero photo
Application Commercial
Models
  • GB1 – 215 x 360 x 85mm
  • GB2 – 265 x 370 x 85mm
  • GB3 – 280 x 370 x 85mm
Finishes
  • Mirror
  • Satin
  • Matt Black
Handle Options Walnut & Black Nylon
Key Specs
  • - 1.2mm food grade stainless steel body
  • - Folded corners for strength & precision
  • - Exclusive triangular knock bar with reinforced core
  • - Fully exposed bar with fixed brackets
  • - Waste capacity of up to 70 espresso pucks (in the largest model)
  • - Compact footprint for space-saving footprint
  • - Static load capacity of 30+ kg (66 lbs) with safety margin
Materials 1.2 mm stainless steel body; EPDM triangular knock bar with reinforced core; CNC-machined nylon rails; stainless bar brackets; embedded rubber feet; integrated stainless steel handle.
Description The Grounds Breaker is a compact, reliable knock drawer that delivers on performance. It ensures clean, efficient puck removal and long-lasting durability. Our most popular drawer for the busy barista.

*drawer length does not include handle

Knock chute hero photo, flush-fit design
Application Commercial
Inner Openings 150 × 150 × 152 mm • 140 × 150 × 110 mm • 143 × 143 × 65 mm
Outer Flange 245 × 245 mm • 177 × 187 mm • 190 × 190 mm
Key Specs
  • - Flush-fit countertop integration
  • - Shock-absorbing gasket for quieter knocks
  • - Stainless construction for hygiene and durability
Materials 1.2 mm stainless steel body; EPDM/foam hush gasket; stainless fixings.
Finishes Brushed Satin, Matt Black
Description Clean, integrated puck disposal straight to a concealed bin, keeping the bar surface tidy and efficient.
Pitcher rinser inset model hero photo
Application Commercial
Footprints (W×D) 226 × 226 mm • 226 × 326 mm • 226 × 626 mm
Key Specs
  • - 5-hole multi-jet spray
  • - Heavy-duty rinser disk
  • - Angled waste for efficient drainage
  • - Supplied with inlet & drain hoses and mounting clips*
Materials 1.2 mm stainless steel housing; stainless rinser hardware; rubber feet/gaskets as applicable.
Finishes Mirror, Matt Black
Description Flush, built-in finish for fast, hygienic cleaning with high-flow jets and smooth drainage.

*customer supplies local tee-piece

Pitcher rinser countertop model hero photo
Application Commercial
Overall (W×D×H) 226 × 226 × 115 mm • 226 × 326 × 115 mm
Key Specs
  • - 5-hole multi-jet spray
  • - Heavy-duty rinser disk
  • - Angled waste for efficient drainage
  • - Supplied with inlet & drain hoses and mounting clips*
  • - Rubberized feet for stable countertop use
  • - Drop-in compatible with inset cut-outs
Materials 1.2 mm stainless steel housing; stainless rinser hardware; rubber feet.
Finishes Mirror, Matt Black
Description Portable unit for rapid clean-down; can also be dropped into a cut-out for flush installation.

*customer supplies local tee-piece

Puck Box open knock box hero photo
Application Commercial / Domestic
Dimensions (W×D×H) 165 × 225 × 95 mm • 165 × 165 × 95 mm • 140 × 140 × 95 mm
Key Specs
  • - Triangular knock bar for efficient puck removal
  • - Rubber feet for stability
  • - Dishwasher-friendly design
Materials 1.2 mm stainless steel body; EPDM triangular knock bar; rubber feet.
Finishes Brushed Satin, Matt Black, Mirror
Description Compact, durable open box for quick puck disposal and easy cleaning at the bar or at home.
G-Raff floor tube hero photo
Application Commercial
Dimensions (W×H) 202 × 845 mm
Key Specs
  • - Shock-absorbing, noise-reducing design
  • - Cloth clip & anti-slip feet
  • - Easy-remove top for quick emptying
Materials 6.2 mm HDPE body; 1.2 mm stainless internal parts; heavy-duty PVC edge protector; tri-lob knock bar.
Finishes Mirror, Matt Black
Description Heavy-duty floor tower for busy cafés, engineered for stability and fast clean-down.

Domestic Models

Pro Cub domestic knock drawer hero photo
Application Domestic
Sizes (W×D×H) 200 × 300 × 55 mm • 140 × 240 × 55 mm
Finishes Mirror, Brushed Satin, Matt Black, White
Handle Options Walnut & Black Nylon
Key Specs
  • - Triangular knock bar for a cleaner knock
  • - Nylon runners for smooth, quiet action
  • - Rubber stopper feet for stability
  • - Steam-release perforations
Materials 1.2 mm stainless steel body; EPDM triangular knock bar; nylon runners; rubber feet; handle in walnut or black nylon.
Description Compact, durable drawer designed for domestic grinders. Precision runners reduce rattle; the triangular bar makes puck knock-out effortless.

*drawer length does not include handle

Grounds Cub domestic knock drawer hero photo
Application Domestic
Sizes (W×D×H) 200 × 300 × 55 mm • 140 × 240 × 55 mm
Finishes Mirror, Brushed Satin, Matt Black, White
Handle Options Walnut & Black Nylon
Key Specs
  • - Triangular knock bar (reinforced core)
  • - Quiet nylon glide
  • - Rubber stopper feet
  • - Steam-release perforations
Materials 1.2 mm stainless steel body; EPDM triangular knock bar with reinforced core; nylon runners; embedded rubber feet; handle in walnut or black nylon.
Description Space-saving under-grinder drawer for home baristas. Built to be quiet and tough with our signature triangular bar.

*drawer length does not include handle

Grounds Duo double drawer hero photo
Application Domestic
Sizes (W×D×H) 355 × 390 × 85 mm • 385 × 390 × 85 mm • 450 × 450 × 85 mm
Finishes Mirror, White, Matt Black
Handle Options Walnut & Black Nylon
Key Specs
  • - Main waste drawer with triangular knock bar
  • - Second storage drawer for tools
  • - Reinforced bar core for durability
  • - Rubber feet for stability
Materials 1.2 mm stainless steel body; EPDM triangular knock bar (reinforced); CNC/nylon runners; rubber feet; integrated stainless steel handle.
Description Ideal under bean-to-cup machines. Keep tools tidy up top while the lower drawer handles daily waste quietly.

*drawer length does not include handle

Tamping Station accessory hero photo
Application Domestic
Dimensions (W×D×H) 85 × 90 × 67 mm
Finishes Matt Black, Mirror, White
Key Specs
  • - Stable tamp platform
  • - Protective rubber pad
  • - Anti-slip feet
Materials 1.2 mm stainless steel body; rubber pad; rubber feet.
Description Compact dock to keep your tamp routine consistent and your bench protected.