PATENTED DESIGN - Enables power tools fitted with Benchclaw to be quickly and easily mounted to conventional workbenches with a maximum platform thickness of 20mm. UNIVERSAL - Suitable for a variety of tools including mitre saws and bench grinders with mounting hole centres between 100mm to 375mm. PORTABLE - Foldaway claws auto-retract enabling use on ground or flat work surfaces without needing to disconnect Benchclaw from your chosen tool.