Kryptonite´s first chain locks with direct connection of chain and restraining bar and 4-digit number combination. The square chain links made of triple hardened manganese steel in combination with the I.C. system offer a high level of security. 

Details:

• 7mm thick, chain links 
• Weatherproof nylon cover 
• 4-digit adjustable combination
• Patented lock body design
• Security level: 5/10
• Length: 90cm
• Weight: 1.70 kg