Huck AK175A Air-Hydraulic Power Set Riveter Compact, lightweight (28 ounces), and powerful (3, 500 pounds of pulling force). Full 5/8 inch travel permits installing most rivets in a single cycle. Unique jaw system accomidates 1/8 in. through 1/4 in. rivet sizes by simply changing the nose Operates at normal shop air pressures of 90 to 120 psi. Patented design.