Titan HD 36" Hydraulic Backhoe Excavator Thumb 1/2" Steel Plate Assembly Weld On Compatibility - Fits backhoes and excavators measuring 36" from boom to teeth when bucket is 90 degrees to the boom Quality - Thick extra heavy duty 5/8" steel, plasma cut for tight tolerances Easy to assemble: Weld base plate onto the boom. Pin on the thumb and hydraulic cylinder. Value: Pro duty 5/8" teeth bars, and 3/8" body assembly plates Convenient - Adjusts from fully open position to close for all size loads. All equipment included