FEATURES UL STYLE""MARGIN-TOP0PX; PADDING-TOP 5PX; PADDING-BOTTOM 5PX;"" 304 STAINLESS STEEL DESIGN FOR HARSH CORROSIVE AND SALT-WATER ENVIRONMENTS. RESISTS CHEMICALS AND RADIATION EXPOSURE AS WELL AS ENDURING EXTREME TEMPERATURES. STAINLESS STEEL IS GREAT FOR CLEAN ENVIRONMENTS SUCH AS FOOD PROCESSING AREAS. SELF-LOCKING BALL MECHANISM MEETS LOW INSERTION FORCE REQUIREMENTS WHILE MAINTAINING HIGH TENSILE STRENGTH. WARNING: This product can expose you to chemicals including lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65warnings.ca.gov - Nickel (Metallic)