Maxipress R Piston Clamp, 20 in Opening, 6 in Throat Depth, 10,000 N no checkout Abrasive Material Aluminum Oxide Anchor Abrasive Material Aluminum Oxide Anchor Brand Catalog NO Arbor Diam [Nom] 5 8 in Arbor Thread TPI or Pitch 5 8 in 11 Big Catalog NO Brand CARBORUNDUM Catalog MPI Catalog Construction Catalog NO Country of Origin IN Dia General purpose selection of the most frequently used nut drivers Full hollow shafts facilitate work on long bolt applications Cushion grip handles allow for greater torque and comfort Internal flanges provide solid Rolled spring steel bar provides maximum pressure held throughout the whole job Fixed jaw surface is grooved to achieve maximum grip Spring activated back brake keeps moving jaw firmly in position Covered double threaded screw doubles both pressure and speed with a greasing hole for optimum lubrication Dismountable interchangeable easy grip handle