Inquiry (采购产品): gripfast coupling Hi, the product of interest is above and is for anew developement im involved in which consists of telescopic FRP tubing that is adjustable and locking as is your p-roduct. I need a fitting that will slide over the larger diameter and be fixed so the smaller diameter tube will slide inside and lock at any given length.Also is it possible to give a indication on the amount of downward pressure they can handle thanks.Is it possible to recieve a sample that I can test on the tube thanks. **** Hidden Message ***** Carl Whitworth 7 Bell Rd Beachlands Auckland2018 NZL Company: Classic Couches Title: General Manager Phone: 0211710083 E-mail: sara.duncan@clear.net.nz **** Hidden Message ***** sara.duncan@clear.net.nz