The Marson Klik-Turn SP-2 Swivel Head Rivet Tool from Howmet Fastening Systems offers a patented, positive-ratchet locking feature that allows its head to turn 360 degrees and lock in place at any of the 45+ positions. The patented Rivet Size Hole Gauge eliminates selection of the wrong size rivet size for a nosepiece. It’s ideal for riveting in difficult places at any angle. The SP-2 includes four nosepieces, built-in storage holes, a service wrench, and sets up to 3/16" steel rivets.