Snap Button Clips 10 Pieces 4.2-9mm Push Button Spring For 12-50mm Round Tube Locking Pin Button Mounting Spring Clips Tent Pole Kayak Accessories - 18 Push Button Springs How to choose:The spring button is work for irregular pipe diameters and bore diameters, such as small pipe diameter with big hole or large pipe diameter with small hole, can only be used for round pipe, You can measure the inner diameter of your tube and the diameter of the hole in the tube separately. This is a brand new - Kayak Paddle Spring Clips - Tent Pole Clips - Snap Button Clip Fasteners for telescoping tubing help reduce assembly time while improving your product Select the spring that is suitable for the pipe diameter, Then select the button for the hole diameter Brand. UP100 · Colour. Dia 6 height 9 mm · Style. Compact · Item weight. 91 Grams · UPC. 729270227541 · Manufacturer. UP100 Eliminates the need for rivets and screws. PATIKIL 5.5x3.8mm Kayak Paddle Snaps, 8 Pack Pole Push Button Spring Clips Steel Package Content: 50 x Button