Security - OnGuard Mastiff Chain Lock with Keys: 3.7' x 10mm

The On Guard Mastiff Chain Lock is made of 10mm ultra-hardened, titanium-reinforced steel links with a 13mm padlock.

• Includes 5 laser-cut keys, 1 lighted key
• 10mm links with 13mm padlock 
• Features a non-slip chain cover and ultra-hardened, titanium-reinforced steel links
• Dimensions: 3.7 feet x 10mm in diameter