Description Hot Dipped Galvanised Rubber Lined MRG Holderbat with a Welded Boss to suit M10 or M12 (in larger sizes) Thread. Other sizes can be made on request. Enquire now. Welded M10 Boss MRG-021/RL MRG-027/RL MRG-034/RL MRG-043/RL MRG-048/RL MRG-060/RL MRG-076/RL MRG-089/RL MRG-115/RL MRG-140/RL MRG-168/RL Welded M12 Boss MRG-021/12/RL MRG-027/12/RL MRG-034/12/RL MRG-043/12/RL MRG-048/12/RL MRG-060/12/RL MRG-076/12/RL MRG-089/12/RL MRG-115/12/RL MRG-140/12/RL MRG-168/12/RL
