Align it, clamp it, and fasten it to get perfect 90° angles every time! The same great features as our original Clamp-It® but half the size! The square you can clamp is now available in a mini size - perfect for small projects! Our exclusive Mini Clamp-It® square guarantees a 90° joint every time, replaces custom clamping jigs, acts as a third hand, and eliminates the need for long clamps! Simply put, the Mini Clamp-It® is a square you can clamp. It allows you to assemble any two pieces at 90°.