Two piece construction (screw & wing nut combination). Versatile wing nut fastener can be pushed on for fast assembly. This clip is extremely popular for sign & display construction. Removable & reusable.
Fits 0.187" hole size
Round screw head is 17/32" O.D.
Round wing nut is 5/8" O.D.
Screw or push on wing nut fastener to attach, and screw off to remove