1. Material: chrome vanadium steel
2. Size: 20.5x31.1x5 cm/set
3. Weight: about 2070g/set
4. Purpose: brake cylinder adjustment tool, adjust brake pump
5. Applicable models: most models can be used
6. Features: high material hardness, not easy to deform, precision machining, smooth thread, convenient operation, equipped with two left-handed and right-handed screwdrivers, with strong magnets, strong and durable, and wide applicability