Suitable for use with several materials such as doors, sheet materials, studs for interior wood framing The strong grip holds materials up to a width of 55mm (2 ¼in) making it ideal for working on FD30 and FD60 fire doors Easy one person operaton: push the grip out of its holder and securely lock onto the side of the object, this can be done with a hand or foot Mark-out, route-out, plane, and drill without the difficult job of keeping the material in place with a single hand, Weight: 4.5415225972 Pounds, Manufacturer: Faithfull