Case 480E Backhoe. Case 580 ck Backhoe. Case 580D Backhoe. Case 580 SE backhoe. Case 780 Backhoe. 1pcs Adjustable Gland Nut Wrench. (7)Easy to use, Adjusting distance of both pins makes pin line up with the hole, then work with 3/4" breaker bar to loose and remove gland nut.