Uponor FLEX extension shut-off key

Uponor Flex Key Extender 16/20/25mm. Accessory compatible with Uponor Q&E V-cut-off key. The Uponor Q&E "V" cut-off keys are designed exclusively for use with cross-linked polyethylene pipes manufactured by Uponor and in conjunction with the Uponor Q&E Evolution rings. Body: brass. Ball: stainless steel. Internal seals: PTFE (Teflon). The Uponor Q&E cut-off keys are suitable for installation with cross-linked polyethylene pipes manufactured by Uponor (Aqua Pipe, Comfort Pipe, Comfort Pipe PLUS, Radi Pipe, Klett Comfort Pipe, and Minitec Comfort Pipe) and the Uponor Q&E Evolution rings in plumbing, radiator heating, and radiant climate control systems. Corrosion resistance.