Quality tools and accessories from Wera They have three-component Kraft form handles, which uniquely fit into the hand to reduce fatigue Kraftform Micro screwdriver for slotted screws Anti-roll feature and swivel cap for rapid twisting Multi-component Kraftform Micro handle for fast and ergonomic screw driving The Wera Professional Precision Slotted Screwdrivers with blades manufactured from 73MoV52 material, Weight: 0.03 pounds, Manufacturer: Wera