7/8" Dia Lock Bolt And Collar For 7/8" Dia Lock Bolt. Grip Range Of 7/8" Dia Lock Bolt.(Min- 1.7 5", Max- 2.00") To Rdso Drg. No. Wd-11036-S-01 Alt.1 Or Latest & Wd-11036-S-02 Alt: Nil Or Latest, Rdso S Pec No. Is/Rdso-Wd/0001 : 2022 Of June 2022. [ Warranty Period: 30 Months After The Date Of Delivery ] ]