Structural Crack Repair with Torque Lock™ Staples Structural Crack Repair - The Torque Lock™ Staple is a revolutionary technique used to repair structural cracks on any solid cement based surface. Using its patented Cam Lock™ technique, it stabilizes the concrete crack by creating up to 5000 lbs of compression torque for each staple installed! Torque-lock.com~Site InfoWhoisTrace RouteRBL Check