Check the listing for details. AR500 1/2" Shooting Target Holders With Shaft Collars Fits 3/4" Pipe. Condition: New. Listed at 25.00 USD. PIPE TARGET HOLDER with shaft collarsPipe Size:3/4" Hole Size For Targets:0.75" Fits 1/2" BoltWeight per holder: 1 lb The shaft collars keep the holders from moving on the pipeNo mounting hardware included Link to add a 1/2" mounting kit hereCleaned by a vibratory finishing machine click for videoTakes rifle rounds up to .50 BMG at over 200 yards with proper setupShooting Safety Do not use steel tipped ammoNever use a handgun closer than 15 yardsSlower rifles at 50 yards and magnum rounds at 200 yards.Stay below 2850 FPS at target to avoid pitting Mount at a downward angle to increase life span and safety Never shoot at steel without eye protection Click here to see all my listingsCutting ProcessCNC Plasma cut on a water table to quickly absorb any heat produced during the cutting process. Click for videoDisclaimerBuyer assumes all responsibility for use and misuse of purchased items. Shoot steel at your own risk.