Ball Stopper for 3/8" ID Spring Driven Air Hose Reel, Adjustable Hose Bumper for Auto Rewind Retractable Hose Reel Need to Screw Tightly

16mm diameter hole in the middle, consisted of 2 half circles and connected with screws and nuts. Fit for 3/8” ID hose reel and hose with 14-16mm outer diameter. The screw needs to be fixed tightly if your hose has small outer diameter.. The stopper is suitable for use with auto rewind retractable hose reel and the replacement of spring drive air hose reel ball stopper.. The stopper can be adjusted and fixed in the place which you want to stop when the hose reel roll back automatically. Bumpers allow the desired length of hose or cord to be permanently stored outside the reel.. Adjustable bumpers are solid molded rubber assuring a long life and nonslip grip. Just place the ball stopper in the desired, insert the screw and tighten the nuts. Only 3 steps can be installed.. The kit includes 2 half circle, 2 screws and 2 nuts. Please feel free to contact us if any accessories are missed.