1266 Adjustable Gland Nut Wrench Hydraulic Cylinder Tool 2"-6" Case Bobcat Compatible 3/4" Drive. 1266 Adjustable Gland Nut Wrench For Case 480E/580/580D/580SE/580 ck/180 Backhoe. Compatible with Case 480E, 580, 580D, 580 SE, 580 CK, 180 Backhoe, Case 1150H Dozer, Bobcat cylinders, and other hydraulic cylinder applications.