1.Indoor padlock is used as a school locker lock and gym lock, providing protection and security from theft.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. 2.Indoor combination lock is used as a school locker lock and gym lock, providing protection and security from theft.Note: Measure your door's backset, cross bore and thickness to ensure you find the right fit. 3.Preset three-digit combination lock for keyless convenience 4.Preset three digit combination lock for keyless convenience; Same combination opens both locks 5.Combo lock is constructed with a metal body, anodized aluminum cover, hardened steel shackle, and anti-shim locking mechanism for strength and security 6.Combo lock is constructed with a metal body, anodized aluminum cover, hardened steel shackle, and anti-shim locking mechanism for strength and security; Made in the 7.1-7/8 in. (48 mm) wide lock body; 9/32 in. (7 mm) diameter shackle with 3/4 in. (19 mm) length, 13/16 in. (21 mm) width. Not Keyed, Carded Packaging 8.1-7/8 inch (48 millimeter) wide lock body; 9/32 inch (7 millimeter) diameter shackle with 3/4 inch (19 millimeter) length, 13/16 inch (21 millimeter) width 9.Available in blue, red, and purple (color randomly selected at time of shipment)