California Proposition 65: This product contains a chemical known to the State of California to cause cancer. California Proposition 65: This product contains a chemical known to the State of California to cause birth defects or other reproductive harm.Fork Extension, Product Type Fork Extension, Load Capacity - Maximum 4,000 lb, Material Steel, Compatible Fork Length 72 in, Compatible Fork Height 2 1/4 in, Compatible Fork Width - Maximum 5 in, Extension Length 77 3/8 in, Compatible Fork Width - Minimum 4 in, Color Yellow, Includes Not Applicable, Standards OSHA Compliant, 1 Pair