American Lock A1105BLU Blue Keyed Different Anodized Aluminum Safety Padlock, 1-1/2" (38mm) Wide with 1" (25mm) Tall Shackle 1-1/2" body, 1" shackle, shackle clearance 1", 1/4" shackle diameter Color coded security for use with lockout hasp Solid aluminum body 3/4" thick, Blue 5 pin tumbler cylinder with AM3 keyway Hardened steel shackle & cover plate, Double ball locking