100 PCS Screwdriver Hexagonal Hexagonal Wrench Scooter Repair Tools Cross Bit, Specification:4mm, Material:A3 Steel

1. Single weight: 4mm about 8g, 5mm about 16g, 6mm about 23g
2. Single short side size: 4mm is about 25mm, 5mm is about 25mm, 6mm is about 30mm
3. Single long side size: 4mm is about 65mm, 5mm is about 68mm, 6mm is about 73mm
4. Surface treatment: galvanized
5. Material: 45 steel (heat treatment, hardness), A3 steel (no hardness)
6. Purpose: supporting tools, vehicle-mounted tools, etc.
7. Features: exquisite and small, easy to carry, versatile, galvanized surface is not easy to rust, durable