The handle is light and ensures comfortable use. With this screwdriver set, you no longer need to go to a mechanic. A pick-up essential for RC enthusiasts High speed steel nut driver sockets have a brushed finish surface and are more durable than regular bits Product Description Product Description: Material: Metal + Plastic 1.5MM 2.0MM 2.5MM 3.0MM Hexagonal screw include Used for head screws hex disassamble in helicoptor and any other place Handle diameter: 18mm; Total length: 195mm; Handle Length: 90mm Package Included: 1 x 3.0mm Hexagon Wrench Screwdriver Wrench 1 x 2.5mm Hexagon Wrench Screwdriver Wrench 1 x 2.0mm hexagon wrench Screwdriver Wrench 1 x 1.5mm hexagon wrench Screwdriver Wrench