Adjustable Clamp 3325 Pony 3-way edging clamp. Opening capacity 2-1/2-Inch x 2-1/2 This item is Adjustable Clamp 3325 Pony 3-way edging clamp. Opening capacity 2-1/2-Inch x 2-1/2 Used for Handtools & Tool Organizers, Clamps The product is manufactured in United States Frame heat treated 2-1/2" Opening capacity 3/8" Diameter screws Swivels are bright plated steel, securely fastened to screw, revolving freely