... 1.safety clamp 2.type:WA-C 3.API Spec 7K ISO9001:2008 API Type C Safety ClampSafety Clamp Advantage: 1.Good ... are two kinds of model of safety clamps: Model WA-C Safety clamps can accommodate pipefrom 3 1/2-155/8inch ... : 1.function:handing flush joint pipe, drill collar2.code:MP-S,MP-R,MP-M, MP-L,MP-XL,WA-T ... -396.914 1/2-15 5/81850.9112 API Type C Safety Clamp