ASSA AA-SR400 (Like American Lock A2000) 2-7/8' Shackleless Solid Steel Step Back Padlock Lock Resettable Combination Dial Hockey Puck Style (Combonation In Front) Anti-bump, anti-drill, anti-pick cylinder Weather resistant, hardened steel lock body with US26D plating Auto-back sliding dust cover design Steel bolt with quality plating Combine with the popular types of hasp to sliding or swinging door security Four dials with 10,000 possible combinations Easy to reset your combination number at any time Keyless convenience