Material: The extension of cutter chuck and ER20M spring chuck are made of hard alloy, which has the characteristics of high strength, good toughness and strong impact resistance
Easy to Use: First, place the ER cutter chuck into the extension handle. Then insert the cutter into the ER chuck. Finally, cover the nut and tighten it with a wrench. Tip: When installing the extension, it is necessary to insert it as far down as possible
Size: 1/4" shank diameter, accepts 1/2" and 1/4" shank cutters
Application: Suitable for routing wood, fiberboard, laminated board, particle board, plywood, acrylic and other materials