MASTERLOCK® SAFETY LOCKOUT PADLOCKS (MP410) * Lightweight, non-conductive, yet durable in all working conditions. * Single dedicated key is retained until lock is closed. * Sold individually. * 1 1/2" shackle clearnace, body 1 1/2" wide, body 1 3/4" high. * Locks are keyed differently. LAMINATED PADLOCKS (APS) * Keyed differently only. * 1 1/2" wide heavy-duty laminated steel case construction with hardened 9/32" shackle. * 2 keys included. * Sold individually. MASTERLOCK® LOCKOUT PADLOCKS (MPL) * Over 10,000 unique key codes, 4-pin tumbler cylinders. * 1 1/2" wide heavy-duty laminated steel case constructed with hardened 9/32" shackle. * Full keying capability for most commercial applications. * Sold individually. * Locks are keyed differantly.