• One of a comprehensive range of high quality components for the John Guest Speedfit® Pneumatic Coupling System.• Speedfit® thread adaptors Metric pipe to Imperial thread couplings.• Size: 8mm Pipe x 3/8"BSP thread.• For use with nylon tube.• Pack of 5.Speedfit® pneumatic couplings, thread adaptor Metric pipe to Imperial thread couplings supplied in sizes 6, 8,10mm. Material specifications; Bodies are produced in an acetal copolymer engineering plastic, especially suitable for pneumatics and corrosion free applications; O-rings are nitrile rubber; collets are produced in acetal copolymer with stainless steel teeth.• Speedfit® thread adaptors Metric pipe to Imperial thread couplings. • Size: ø8mm Pipe x 3/8"BSP thread. • Pack of 5. • For use with nylon tube. • Thread adaptors supplied in sizes 6, 8,10mm. Material specifications; the bodies are produced in an acetal copolymer engineering plastic, especially suitable for pneumatics and corrosion free applications; O-rings are nitrile rub