Goebel LKS4-1024-225, Goebel GO-NUT LK Series Rivetnut Insert, Unified, 10-24 UNC-2B Thread Size (.130-.225 Grip) (3.30-5.72mm Grip) "L" Style Round Body Splined, Steel 1008/1010, Zinc Yellow Trivalent Chromate Per ASTM-B-633 , RoHS 3 Compliant, Box 250