Radio-controlled helicopter repair tool kit: 4.0/5.5/7.0/8.0 mm flat head hex screwdrivers

Features: Set of 4 hex screwdrivers (4.0/5.5/7.0/8.0 mm). Made of stainless steel, they are durable and resistant. The alloy bits offer high resistance to wear and breakage. Ideal for repairing and assembling radio-controlled vehicles (cars, helicopters, boats, etc.). They can also be used on production lines (electric screwdrivers, electric drills, pneumatic drills, etc.) for repairing mechanical equipment and household appliances. Specifications: Main material: Stainless steel. Length: Approximately 21.5 cm. Note: Please allow 1-2 cm error due to manual measurement. The actual color of the item may slightly differ from the color shown on your monitor. The package includes: 1 x 4.0 mm hex socket screwdriver, 1 x 5.5 mm hex socket screwdriver, 1 x 7.0 mm hex socket screwdriver, and 1 x 8.0 mm hex socket screwdriver.