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The Progressive Link Bucket Thumb by Rockland Manufacturing Co. helps contractors achieve precise load handling and placement. With 150° rotation, the Progressive Link Thumb has the ability to mirror a bucket’s motion, following it through the curl, and allowing objects to be gripped and placed accurately. The thumb easily moves out of the way of the bucket when not in use, and the thumb cylinder is cushioned in both the extended and retracted position to protect the cylinder from wear and tear. Like all of Rockland’s thumbs, the Progressive Link Thumb is matched to the bucket teeth and can be used with an excavator coupler system or pins. Rockland bucket thumbs are manufactured of high-strength alloy steel construction. They feature replaceable, lubricated and sealed heat-treated bushings and alloy pivot pins at all pivot points to prevent grease loss and extend bushing life.