Guard Security (Like American Lock A2000) 2-7/8" Shackleless Padlock Hockey Puck Round & Hasp With Protective Piece Around The Lock Gate Locking Pin Set For 2010 American Lock A2000 Hockey Puck Padlock, Fits all rolling gates and main gates, 9/16" diameter hole for professional specialty, May be welded to door track. Heavy rings surround the lock. Protects the gate from being forced by creating a dead bolt effect. For The Highest Security Possible. Designed To Be Used With Guard 2010 or American Lock Model #2000 Shackleless Hockey Puck Lock. Wilson 1206 is designed to be teamed with our 2010 Shackleless padlock (or similar). 3 Keys Included, Uses Key Blank Ilco #A1046, TV #719-382 Or Guard 5JU2.