THIS IS A PAIR OF STRAP RISERS TO MANAGE YOUR 1.5" WIDE, OR NARROWER, WEBBING TYPICALLY USED FOR CHEST HARNESS STRAPS. THERE ARE 8 HOLES TO ALLOW FOR ADJUSTABLE HEIGHT POSITIONING OPTIONS ON YOUR WHEELCHAIR BACK. THIS SET IS HAS A 25-DEGREE BEND ON THE BRACKET, BELOW THE SLOT, TO POSITION IT AWAY FROM THE MOUNTING SURFACE. FOR THE FLUSH-MOUNT BRACKET OPTION, PLEASE SEE PART #80030.