More than double the clamping range of your Spec Ops Large TCL Series Trigger Clamps with the Spec Ops Clamp Coupler for the ultimate workshop and job site capability. The clamp coupler maximizes the versatility of your clamp collection by allowing you to double the length of your frequently used smaller clamps for projects requiring extra-long clamps. The quick push-button connection provides fast and easy attachment and detachment. Ultra-durable, all-steel components withstand extreme clamping forces even during the most demanding glue-ups or clamping applications. The clamp couplers connects seamlessly with all Spec Ops Large TCL Series Trigger Clamps. Depending on your connection, you can achieve ranges of 201/4 in. with two TCL7 clamps, 321/4 in. with two TCL13 clamps, 561/4 in. with two TCL25 clamps, or 801/4 in. with two TCL37 clamps. We support our nation's heroes by donating 3 percent of proceeds to veteran and first responder causes.