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
