PoliCraft 3 Piece Car Body Preparation Kit 3 Piece Brush Kit for Simple Car Body Preparation & Restoration. Ideal for Door skin removal Weld preparation Underseal removal Strips into grooves, mouldings & corners without clogging Rust & paint removal For use with Power drills, Flexible drive shafts & Angle grinders. The Kit Includes: 1x 100mm diameter heavy duty bevel twist knot brush x M14. (for use with angle grinder) Ideal for heavy duty work, such as rust & paint removal, particularly under body work. Maximum speed: 12,500 rpm 1x 75mm diameter twist knot wheel 3/8 shaft.. Fits drills and flexible drive shafts, for weld preparation and stripping grooves. Maximum speed: 20,000 rpm 1 x 75mmdiameter crimped wire brush with 3/8 shaft. Fits drills and flexible drive shafts, for door skin removal, mouldings and corners. Maximum speed: 4,500 rpm Setting up For the two 75mm brushes, insert shaft into the chuck of a drill or flexible drive shaft Tighten chuck for firm grip For 100mm heavy duty twist knot brush connect firmly to angle grinder fitting