4PCS Metal Inner Hex Screwdriver Tool NUT Key Socket Wrench Set 4.0/5.5/7.0/8.0mm for Rc Car Boat

Description: Item name:Inner Hexagon Screwdriver Tool Kit 4.0mm 5.5mm 7.0mm 8.0mm Material:Aluminum Alloy, Carbon Steel Color:blue Size: Length of cutting head: 100mm Length of handle: 90mm Total length: 175mm Fit for: RC cars, boats, helicopters, airplanes,etc. Features: 1.The handle is made of aluminum alloy knurled to prevent slippery hands. 2.The cutting head is carburized and hardened to make it stronger and stronger. Package included: 1X 4.0mm Sleeve Screwdriver 1X 5.5mm Sleeve Screwdriver 1X 7.0mm Sleeve Screwdriver 1X 8.5mm Sleeve Screwdriver