1/4" Hex Shank T15 Torx Security Screwdriver Bits 50mm Long 20 Pcs Weight: 160g; Product Name: Torx Security Screwdriver Bits; Package Content: 20 x Torx Security Screwdriver Bits Main Material: Metal; Overall Size: Length: 50mm/2"; Head Type: T15 Main Color: Gray; Drive Type: Torx Security Features: Hex Shank, Magnetic; Point Diameter: 3.3mm/ 0.1" Hex Shank Diameter: 6.35mm/1/4"; Bit Length: 30mm/1.2"