... , hammer union, drill pipe, drill collar, safety clamps, elevator, mud pump and stabilizers for water ... addition to giving increasedprotection against fishing jobs.Safety Clamps are used for pipes in different size. ... 1/2-155/8 inch Safety Clamps. We could provide you Safety Clamps with fine quality at positive ... two kinds of model of safety clamps. Model WA-C Safety clamps can accommodate pipe from 3 ...