This heavy-duty bar clamp coupler connects the bars of two heavy-duty bar clamps to create one longer bar clamp - increasing the length to manage larger projects. It is made from strong and durable engineering grade plastic. The quick change button enables fast connecting and detaching of bar clamps. For use with Draper Expert Heavy Duty Bar Clamps - Stock No. 18928, 18929, 18930.Features & Benefits:• Connects two bar clamps into one for larger projects• Strong and durable engineering grade plastic • Quick change button for connecting and detaching bar clamps• For use with Draper Expert Heavy Duty Bar Clamps - Stock No. 18928, 18929, 18930Contents:1 x Draper Expert Heavy Duty Bar Clamp Coupler