Welding blade stabilizers are avaible in a wide range of diaments, length, wrenching, and thread size/types. When ordering or requesting a quotation, please specity: Diameter of drilll pipe and/or DTH Hammer Drill hole size Preferred Shoulder to Shoulder length Blade count (3,4,5 or 6) Upper thread connection size and type ( API Reg, API IF or BECO) Lower thread connection size and type ( API Reg, API IF or BECO) Wrenching details (Dimensions and location) As we custom manufacture our stabilizers, please advise as much spefification detail as possible. An independent OQC team performs final inspections and document checks before shipment.