Dual Cartridge Hand Operated Adjustable - #4020 75 ml x 75 ml or 100 ml x 100 mlLength and width 6-1/2" x 3-3/16"Overall length 11-3/4"Thrusting force 700 lbs.Mechanical advantage 24 to 1Ratio 1 to 1 Has 3/8" case hardened rods and cam. Includes 2 sets of push rods and seals. Contact Seller X Contact Seller