- -"Special Alloy" shackle
-Double ball locking
-60mm heavy duty chrome plated hardened steel lock body
-Drill protection in barrel and housing
-11.1 mm shackle diameter
-25.5mm horizontal shackle clearance
-Converts easily from snap shut to "key retaining function"
-Silca LW4 key profile
-Compatible with most restricted keying systems
-6 pin 570 style barrel
-Easy cylinder and shackle removal for service or rekeying.