10-CSST1518 1.5 mm Cortical Self Tapping Screws-Hex Head, 18 mm 

10-CSST1520 1.5 mm Cortical Self Tapping Screws-Hex Head, 20 mm 

10-CSST1522 1.5 mm Cortical Self Tapping Screws-Hex Head, 22 mm

10-CSST1524 1.5 mm Cortical Self Tapping Screws-Hex Head, 24 mm