Designed for mounting screw-on type rimless lenses. The blade is recessed into a nylon sleeve that will not scratch the lenses or injure your hand should slippage occur.#6811522 - 1.5/2.2mm flat blade screwdriver #6832225 - 1.5/2.5mm Philips blade screwdriver1 screwdriver Replacement Blades#6911522 - 1.5/2.2mm blades/pkg FLAT#6932225 - 1.5/2.5mm blades/pkg PHILLIPS Replacement blades available in 2-pack.