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
