Maxipress F Piston Clamp, 12 in Opening, 5 in Throat Depth, 9,000 N no checkout Constructed with supple American Dearskin Constructed with supple American Dearskin leather slow recovery foam and contoured shape molds easily to the ear canal for all day comfort The contours follow the shape of the ear canal which means less pressure at the smallest diameter of the ear canal Innovative undercut design affords a secure fit interchangeable easy grip handle 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