Commando Marine Grade Brass Padlock Commando Marine grade brass locks are built for extreme environments. After 28 quality checks, every lock is hand polished to a bright shine. No laquer finish is greener and means you can repolish your lock any time. Designed for US military use, each lock has a high security 5 pin cylinder Y52 Keyway Standard with anti-bump technology and up to 10 security pins for extreme pick resistance. Commando fully hardened boron alloy shackle is standard. All Commando locks are shim and bypass proof. A better lock at the best value. Locksport Approved. RoHS Restriction of Hazardous Substances compliant. Type Keyed, Body Width 44mm 1-3/4 , Body Material Brass, Shackle Dimensions 5/16 x 25/32 x 1-1/8 , Shackle Diameter 8mm 5/16 , Shackle Horizontal Clearance 0.780mm 25/32 , Shackle Vertical Clearance 1-1/8 , Locking Mechanism 5 Pin Cylinder, Finish Brass, Pkg Qty 1, Package Type Hang Tag WARNING This product can expose you to chemicals including Lead and lead compounds which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov