Tenders for Supply of Wooden Packing And Wooden Clamp For 32Mm Pipe With Nut, Spring Washer & Bolt Half Threaded. Packing Size 120X40x20 Mm, Clamp Size 120X40x55 Mm To Drg. No. Nc R-Jhs/Sk-2632, Alt. 4, Conforming To Rdso Specification No. C-9407 Rev. 3 With Amendme Nt No. 4.