ABUS 72/40 KD Safety Lockout Aluminum Keyed Different Padlock with 1-Inch shackle, Silver Standard 6-pin chrome plated cylinder for maximum weather ability and key differences Available: KD, KD, M and GMK in 9 bright colors for easy identification Custom keying, laser engraving and charting available Accepts American PTC-12 & PTC-14 cylinders Laser Engraving Available