Hydraulically Powered - Use with Greenlee 980 or EHP700L11 pump. Powerful 30-Ton Ram - Easily and quickly shears through tough material. Laser-Marked Measuring System - Accurately shear each piece to precise length with movable arm and measuring stop. Quick Die Change System - Easily swap out dies with no tools or loose parts. Automatic Retraction - Retaining spring arm brings back dies into starting position for next cut.