• 3/8" (8-11mm) - 25pcs • 7/16" (9-12mm) - 25pcs • 1/2" (11-13mm) - 25pcs • 9/16" (13-15mm) - 20pcs • 5/8" (15-18mm) - 15pcs • 3/4" (17-20mm) - 15pcs