Drill Pipe Slips, Drill Collar Slips, Casing Slips, all products are designed and manufactured according to API Spec 7K

Drill Collar Slip
There are three models of DCS drill collar slips: S,R and L. All DSC drill collar slips can accommodate drill collar from 3" to 14" O.D.  Drill collar slips provided are API-7K certified.