Superior Durability - Lockout locks made of industrial-grade non-conductive thermoplastic unibody, corrosion-resistant stainless steel shackle, built to endure long term heavy industrial use Precision Engineered - Lock out tagout locks with high grade brass core cylinder designed to retain key until shackle is locked, ensures that safety padlock will not be left unlocked Easy Identification - Unlimited grouping keyed alike locks with matching color and code on padlock body and key bows; all additional sets are keyed exactly the same as the first set Multilingual Labels - Each LOTO lock comes with 2 sets of labels in English, Spanish, and French; “Danger Locked Out Do Not Remove” warning label for the front side and a spacious writable label for the back side Premium Keyed Padlocks - (10) Blue lockout locks keyed alike Group “A” Unlimited with 1-1/2 inch long stainless steel shackle, 1/4 inch shackle diameter, 2 keys per lock OSHA Compliant - Lock out tag out locks set meticulously designed to help businesses meet and exceed compliance with safety standards and requirements Trusted Safety Supplier - TRADESAFE is an established USA based and owned industry expert and reliable safety partner for lockout tagout compliance supplies