8-1.25mm Thread Size Thin Sheet Nutserts Thread Size: 8-1.25mm Grip Range: 1.02 - 5.10mm Dimension A: 12.67mm Dimension B: 17.53mm Dimension D: 14.22mm Drill Bit Size: 12.70mm Compare with: Disco # 13143PK, 13143B, Auveco # 12986, 12987, Clip Lizard # 30308