Premium quality drill bits for binding mounting from Wintersteiger. Bindings should be mounted by a qualified ski technician with the correct jig. This drill bit is 3.6mm diameter with a 9mm depth stop. Generally used for most alpine skis without a laminate layer, & as indicated on the ski requiring a 9mm depth. Contents: 1 drill bit Specification: 3.6mm diameter & 9mm deep drill bit Compatible with all ski binding mounting jigs.