For use with T5 and other compatible routers. Comprises a 1/8 inch down cut spiral router cutter Ref. S55/02LHX1/4STC, guide bush and inlay collar. Guide bush ID 4.8 mm Guide bush OD 7.9 mm Collar OD 14.28 mm Cutter D 1/8 inch Cutter D 3.2 mm Cutter C 1/2 inch Cutter C 12.7 mm Cutter OL 50.8 mm Shank Diameter 1/4 inch This product includes: 1 x Spiral down cut cutter 3.2mm x 12.7mm cut 1 x Guide bush 7.94mm dia 1 x Inlay collar 7.93mm to 14.3mm dia