SAFELY STORE WHEEL CHOCKS AT THE DOCK BAY. THE GLOBAL INDUSTRIAL WHEEL CHOCK HOLDER ALLOWS YOU TO SECURELY STORE WHEEL CHOCKS WHERE THEY ARE NEEDED. THE HANGER HOLDS ALL STYLES OF WHEEL CHOCKS AND ALLOWS THE DRIVER TO EASILY LOCATE AND UTILIZE THE CHOCK IN ACCORDANCE WITH OSHA REGULATIONS. CONSTRUCTED OF STEEL WITH A YELLOW POWDER COATED FINISH FOR MAXIMUM DURABILITY EACH HOLDER IS PRE-DRILLED TO ACCEPT (4) "" MOUNTING BOLTS (BOLTS ARE NOT SUPPLIED). 1 YEAR LIMITED WARRANTY. NOTE USABLE WIDTH IS 10-"". 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)