Specifications: They have high strength and high hardness. These tools are wear-resistant and anti-rust, which is durable and has long service life. The screwdriver tool set can be used for RC models of helicopters, planes, etc. Item Name: Screwdrivers Kit Quantity: 7Pcs/Set Material: 50# Steel Features: Durable, RC Toy Tool, Easy to Use Length: 130mm/5.12" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x 1.5mm External Hex Screwdriver 1 x 2mm Hex Screwdriver 1 x 2.5mm Hex Screwdriver 1 x 4mm Socket Screwdriver 1 x 5.5mm Socket Screwdriver 1 3mm Cross Screwdriver 1 x 3mm Slotted Screwdriver