... bit, hammer union, drill pipe, drill collar, safety clamps, elevator, mud pump and stabilizers for water well, oil ... in addition to giving increasedprotection against fishing jobs.Safety Clamps are used for pipes in different size. Size: ... are two kinds of model of safety clamps. Model WA-C Safety clamps can accommodate pipe from 3 1/2- ... with Top-quality supply high quality WA-C & WA-T Safety Clamps