TREE CAP BOTTOM HOLE TEST ADAPTOR

This are available in sizes of 2 1/16" 5M x 2 3/8" UPTBG, 2 9/16" 5M x 2 7/8" UPTBG, 3 1/8" 3M x 3 1/2" UPTBG, 2 1/16" 10M x 2 3/8" UPTBG, 2 9/16" 10M x 2 7/8" UPTBG, 31/8 5M x 3 1/2" UPTBG, 4 1/16" 3M x 4 1/2"UPTBG, 4 1/16" 5M x 4 1/2" UPTBG. The material confirms to 4130,Quenched & Tempered, 75K, PSL 1,2 and PSL 3 upon