Em-D-Kay 700 Round Shackless Steel Padlock Heavy Duty Security Hasp, 6 Square Hole, Chrome Heavy Duty Hasp, Use With #A2000 Lock Or 2010 Hockey Puck Lock, Used For Securing Van & Trailer Doors, Use With Sliding Doors For The Highest Security Possible, Designed To Be Used With Em-D-Kay 5200, Guard 2010 or American Lock Model #2000 Shackleless Hockey Puck Lock. Em-D-Kay 700 is designed to be teamed with American Lock Model #2010 Shackleless padlock (or similar e.g. Em-D-Kay 5200; Guard 2010). Heavy duty construction. Zinc coated for rust resistant finish. Predrilled holes on either side for installation.