Extension pole, extension rod, extension handle: Threaded Connection: R32, R38, T38, T45, T51, and so on. Diameter: OD32, OD38, HEX32, HEX35, And so on. Length: 800-6000MM. Package: Wood case or wrapped with plastic knitting and then packed into bundles or as per your requests. MF rod/Speed rod/Male-Female drill rods: Threaded Connection: R22, R25, R32, R38, T38, T45, T51, T60 and so on. Diameter: OD32, OD38, Hex32, Hex35, And so on. Length: 800-6000mm. Package: Ply-wooden cases or wrapped with plastic knitting and then packed into bundles or as per your requests. Drifter rod: Drifter rod R32-Hex. 32-R28 10 feet. Drifter rod R38-Hex. 32-R32 12 14 16 feet. Drifter rod T38-Hex. 32-R32 12 14 feet. Drifter rod R38-Hex. 35-R32 10 12 14 16 18 feet. Drifter rod T38-Hex. 35-R32 12 14 16 18 20 feet.