Type: Socket Driver - Metric Series: profiTOOLS R/C Tools Tip size: 1/4" (6.35 mm) Tip length: 100mm The HUDY profiTOOLS are based on highly-successful HUDY Professional Tools used by RC factory teams and world champions, and are available in most popular sizes and types. Each tool has a special, CAD-designed tip made of world-renowned HUDY Spring Steel(tm) to very precisely fit the corresponding fastener, allowing unmatched torque and long life. Lightweight, comfortable molded handles with machined hubs are designed to allow easy tip exchange. � most affordable professional tools with unmatched value � special composite handle with perfect handgrip design for unsurpassed grip, torsion, and comfort � three different handle sizes for maximum torque � alu machined hubs for easy tip exchange � tips handmade from world-renowned top-secret HUDY Spring Steel� HUDY profiTOOLS are available in all sizes and various lengths, types, and measurements: � imperial and metric hex and ball-hex drivers � slotted and Phillips screwdrivers � imperial and metric socket drivers