Products OthersSlide Back Heavy Duty Top Slide & Top Cap Assembly 156-66155-00 P/N:156-66155-00 Tube O.D.:1"(25.4 mm) Pin Size: 5/16"-18(8 mm) Wt.(g): 280 With 1/4-28 Set Screws You May Also Be Interested In Top Slide 956-09780-00 Top Slide with Clevis Pins 956-09782-H0 4 Bulb Assortment 256-60994-00 Straps 256-61014-00