jrelecs 4PCS Hex Screw Driver Tools Kit Set for RC Helicopter Plane Car Screw Driver Tool Kit These items are designed for repair RC helicopter planes or cars. Upgrade Version ! The driver head is made of aluminum alloy and the hardness is over 60! The handle is hollowed out, titanium-plated, Resistant to stripping breaking,durable and lightweight Hex Screwdriver Tools Kit Set Used for Disassemble Hex Screw in helicoptor ,rc car , rc boat ,drone and other place Total length 195mm Diameter of handle: 18mm Length of handle: 90mm Package include Beautiful champaign gold color 1.5MM 2.0MM 2.5MM 3.0MM Hex Screw included More Hobby Tool Kit Series Product Provided by Jrelecs in Amazon.