The SZ-D 12.0 collet is suitable for all cutters that have a 12 mm shank diameter. The collet is supplied as a unit with the union nut. No dust penetrates thanks to the closed housing of the union nut|The precise collet holds the cutter securely in the desired position. Dustproof clamping collets for routers OF 1400 and OF 2200|Open-ended spanner width 24 mm. for cutter shank Ø 12 mm|dustproof clamping collets|open-ended spanner width 24 mm. for the OF 1400, OF 2000, OF 2200