PART NUMBER :  NSD0407 DESCRIPTION : This is GPM Team 3mm Allen Driver with purple Handle. FEATURES: Super precision drivers . Stylish Bioengineering Design Hex purple anodized machined aluminum handles. handles have torque hole so that you can use another wrench to form a T wrench to torque down your M4 Cap screw. also the size and GPM logo are laser-etched on them. YOU WILL RECEIVE: One 3mm Hex Driver. (For M4 (4mm) Hex Screw found in HPI Savage and most 1/8 scale) SPECIFICATIONS: length: 7&inch (17.7cm) handle: (0.68&inch) 17mm Hex MANUFACTURED BY: GPM Racing