This extension clamp features heavy-duty electroplated zinc alloy construction and dual prong adjustments. The 5" long extension rod is constructed of stainless steel. Prongs open to about 4", have a recommended maximum grip size of about 3.25", and feature double keyed spring-type adjustment screws. Prongs are covered with non-slip PCV sleeves. Overall length is 10.75". Additional Info: 3-Prong Heavy Duty Extension Clamp Package Size(L x W x H): 11 X 5.5 X 3 (IN) Categories: Clamps, Extension HTS Code: 8205.70.0090 UNSPSC: 4.11224e+007 Country Of Origin: INDIA