uxcell 8mm Cross Head Magnetic PH3 Phillips Screwdriver Bits 38mm Long 20pcs Main Material: Metal; Package Content: 20 x Phillips Screwdriver Bit; Product Name: Phillips Screwdriver Bit Weight: 276g; Main Color: Black Drive Type: Phillips; Features: Magnetic Head Size: 8mm/0.3"; Head Type: PH3 Total Length: 38mm/1.5"; Hex Shank Diameter: 8mm/5/16"