Commando IC3 TACTICAL military grade padlock with 42" bolt cutter resistant hardened steel shackle guard. Our patented removable shackle system gives 25% more protection around the shackle than other shrouded locks. Shackle Material: Baron Alloy. 3 second changeover with just the turn of the key. No tools required. Commando Solidbody Tek interlocked and riveted lock body has 15% more steel than conventional lock designs to protect against sledge hammer blows. 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. All Commando locks are shim and bypass proof. A better lock at the best value. Locksport approved. RoHS (Restriction of Hazardous Substances) compliant.