American Lock S1105YLW Master Lock Yellow Different Lockout Padlock featyres a Zenex Thermoplastic body material. The shackle measures a width of 25/32 Inches with a height of 1-1/2 Inches. Shackle material consists of hardened steel. The padlock includes a 6-Pin Tumbler locking mechanism and write on labels. It complies with OSHA 1910.147 standards.