DRAG RACE SOLUTIONS Qtr Turn Self Eject Alm Fastener Small Hex Head 4210-550E-B

DRAG RACE SOLUTIONS Quick Turn Fastener - Self Ejecting - Flush Head - Hex Drive - 5/16 x 0.550 in Body - Aluminum - Black Anodized - Set of 10.
10-PACK.550 GRIP LENGTHBLACK ANODIZED