Master Lock 1-3/4" W. Warded Keyed Different Padlock with 5/8" To 2" Adjustable Shackle features a durable 1-3/4" wide laminated steel case designed for strong protection. Its steel shackle excellent cut resistance, while the warded locking mechanism reduces jamming caused by dirt and grime. This padlock includes a single locking lever and an adjustable, removable 3" cadmium-plated shackle with a 9/32" diameter. It accommodates vertical s from 5/8" to 2" with a ratcheted adjustment and 13/16" horizontal . The lock comes with two nickel-plated steel keys and 36 key changes for added security. Model Number: 510D