SBDs (Pack of 10): 1/4"- 5/16" Round Black Vinyl Flexible End Cap Bolt Screw Rubber Thread Protector Safety Cover | for 0.250 Inch Pipe Post Tubing Rod OD Cover - 1" inside Height

• Flexible vinyl material with a wide range of diameter and length sizes
• Easy to use - push on, pull off Durable protective closure
• Select the size that matches or is slightly smaller than the outside measurement of the pipe or tube. OD is Strechable by 1/16" of an inch. Slide these flexible caps on and they conform for a snug fit. Black Vinyl Round Flexible End Cap Bolt Screw Rubber Thread Protector Safety Cover
• The caps are 1" tall / deep to provide a secure fit . Made from soft PVC "rubber like" that will hold up for years of use.