Bahco 808061 Insulated Ratcheting Interchangeable Blade Screwdriver Set, 1000 Volt The 808061 is an insulated ratcheting screwdriver set combined with interchangeable slim blades in a nylon belt pouch. The blade release system built in the comfortable handle makes it easy and safe to change the slim blades withoutthe blades falling out. The blades are 30% slimmer than the blade of a regular insulated screwdriver for better accessibility and more applications (e.g. sunkenscrews and spring elements). Bahco Ratchet Screwdriver Phillips Set 6 Piece 1000 Volt Sizes: PH1, PH2, 0.4 x 2.5, 0.5 x 3.0, 0.8 x 4.0, 1.0 x 5.5, and a handle in a handy nylon belt pouch