• The password knob is made of ABS engineering plastic, with high strength, long-life, and flexible rotation
• Both lock head and lock core are made of zinc alloy, sturdy and durable
• Waterproof, rust proof, scratch resistant outer layer, not prone to rusting
• Unlocking without the need for a key is convenient, fast, and labor-saving to use
• When riding, the lock is stored on seat post, no need the bike bag
• The 4.3mm diameter steel wire makes the lock more secure for items such as guns, skateboards, bicycles, and scooters

Specifications:

• Model:904
• The thickness of the locking rod: about 5(mm)
• Specifications: 904T-30cm
• Lock size: 84*20*15mm
• Wire size: 30mm