Most complete kit for professional machinists. Includes: Uni-Handle,+ SN blade-holder, D blade holder + D50 Scraper, D blade holder & D66 Scraper, L Blade-Holder (Include L1 blade), C Blade-holder + C20 and C12 Countersinks, T-120 Scraper, Swivel Blades N1, N2, S10, S20, S30, S101, 1.5mm Hex Key