The Master Lock No. 517D Laminated Padlock features a 1-3/4” (44mm) wide laminated steel body for strength and reliability. The 9/32” (7mm) diameter shackle can be adjusted from 2-3/4” (7cm) to 5-3/8” (14cm) long for application flexibility, and is made of steel, offering strong resistance to cutting. The warded single locking lever mechanism minimizes jamming from dirt and grime.