Ripper Grab, ripper with hydraulic top arm or grab, can be used for ripping, crushing and grabbing. Has 2 sets of pins, one suit 20 ton excavator with 80 bosses, 470 cent., 310 ears. Suit 12 ton, 65 bosses, 460 cent, 255 to 280 ears, opens to 840 wide. Very handy tool.