Deliver your rock output quickly through our rock( stone grapple) . We guarantee your maximized productivity. Model No. are as follows. Model Applicable tons NB140STG-A 10~ 15 NB220STG-A 18~ 25 NB300STG-A 27~ 30 NB370STG-A 32~ 37 NB500STG-A 40~ 50 NB140STG-B 10~ 15 NB220STG-B 18~ 25 NB300STG-B 27~ 30 NB370STG-B 32~ 37 NB500STG-B 40~ 50 Delivering optimum productivity on the most demanding applications. NB grapple : demolition, scrap yards, land clearing, recycling, rock handling and truck loading. designed to take the toughest jobs in stride Box-type construction for maximum strength and rigidity. Offer heavy-duty strength for their class and weight. Internal reinforcement adds to their structural integrity. Heavy-duty, abrasion-resistant steel replacement tips. Increasing loading capacity : In the closed position, these tips form a large surface for denser, more efficient compaction. Compatible unique adapter bracket. No need to dedicate a single machine for grapple work. Use of the adapter bracket allows compatibility with machines in the same weight class.