This set of three padlocks is an extremely good value! The steel-plate padlocks feature hardened steel shackles and are keyed alike with six keys total provided. Each key opens all three steel-plate padlocks. Lock body bottom encircled with Blue plastic Laminatch guard bumper with the word SECURITY embossed in silver. Each lock weighs about 11 ounces. 1-1/8 shackle gap. 3/8 shackle diameter stamped with HARDENED. Keep your tools, garage and storage shed locked up tight.