Showtime Fabrication is pleased to offer this direct pin-on hydraulic thumb to fit 80mm pin class excavators roughly 40-60,000lb machines (e.g. CAT 318-325 and other 80mm machines - first picture is on a Volvo EC210). This specific thumb is 60" long x 30" wide and features four 1.25" thick AR400 steel tines and a USA made 5"x36" 4000psi welded hydraulic cylinder with an induction hardened, chrome plated 2.75" rod, and 2.75" pin-ends. Protected grease fittings provided at all pivot points.