The Master Lock Steel Pin Tumbler Padlocks 3TRILF 1.5" are a set of three medium-sized padlocks with keyed alike keys. Made of steel, these padlocks feature a pin tumbler lock mechanism for added security. With a compact size and a weight of 1.5 lbs each, these padlocks are ideal for protecting your belongings in a variety of settings. The Master Lock brand is known for its quality and durability, making these padlocks a reliable choice for home or personal use.