142 in 1 screwdriver set Specification: Blade material; chrome vanadium alloy steel Tool holder material: CRV chrome vanadium steel Handle Material: Plastic Overall length: 147mm Included pieces: 142pcs Features: 1. Various batch heads Meet various needs 2. Flexible Shaft Perfect for tight spot 3. Holder Transmit Magnetism to Bit Easy to use Notice: ​Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! ​Please allow 1-2cm measuring deviation due to manual measurement.