SD Rotary Slips can accommodate drill pipe from 2-3/8” to 7” inch(60.3～177.8mm) O.D.. They are classified as type Short (SDS), Medium (SDML) and Extra Long (SDXL). According to gripping length SDS slips is designed for shallow drilling, SDML slips are the perfect choice for all medium depth drilling, SDXL slips are designed for deep drilling. All of them designed and manufactured according to API Spec 7K.