The Weha Snail Lock Hook & Loop Back Up Pad is a rigid hard resin backing pad designed to mount polishing pads securely on automated inline edge machines and hand-held polishers. Available in 5" and 6" diameters, the snail lock interface provides a fast, tool-free connection to the machine spindle, while the hook & loop face grips polishing pads firmly throughout the polishing sequence — no slippage, no pad loss mid-run. Key Features Snail lock spindle connection — fast, tool-free pad changes Ultra-strong hook & loop face for secure pad attachment Rigid hard resin body — maintains flat, consistent pad contact Compatible with automated inline edge machines and hand polishers Available in 5" (SKU VZ051043) and 6" (SKU 13396) Which Size to Choose 5 inch — For hand-held polishers and smaller inline machine spindles 6 inch — For standard inline edge machine spindles; matches the Donkey FF and Donkey 3-Step pad diameter Works Well With Weha Donkey FF Quartz Face Diamond Polishing Pads — 6" quartz edge polishing pads Weha Donkey 3-Step Inline Polishing Pads — Granite & marble edge sequence Weha Donkey Face Polish & Inline Polishing Pads — Surface repair and inline polishing Weha 4" Blitz 7-Step Diamond Polishing Pads — Hand polishing complement Weha Pig Planetary Polisher 350 VS — Countertop polishing machine