ORCA Go Flat Burr Manual Coffee Grinder. Specific Uses For Product. 6.5″L x 2″W x 6H. ORCA-Go Flat-Burr and Ghost Burr Hand Grinders allow individuals to freely engage in coffee-making, gaining natural energy and flavors with ease. CafeSing ORCA go Flat Burr Hand Grinder output coffee powder is good at making light-roast espresso. Stainless Steel Flat-Burr & Pre-Breaker & Sturdy All-Metal Build & Tool-Free Quick Disassembly. ORCA Flat burr obtains a flaky coffee powder and uniform particle size. Bring ORCA go Flat Burr Grinder in Espresso, Freeing Nature’s Force. CafeSing ORCA go Flat Burr Grinder Parameters. Stainless steel + aluminum alloy + walnut. 49mm upper burr + 49mm lower burr; SUS420 stainless steel titanium-coated burr. 2-6-6.5 in (5-15-16.5 cm). 1 × Flat Burr Grinder; 2 × Non-Slip Ring.