7mm - 26mm Steel Internal Circlip Retaining Ring Snap Ring Assortment Kit STW 240Pcs 7mm - 26mm Steel Internal Circlip Retaining Ring Snap Ring Assortment Kit The size listed is nominal size for bore diameter.These are heat treated carbon steel. The assortments contain the following sizes:7mm(15pcs),8mm(15pcs),9mm(15pcs),10mm(15pcs), 11mm(15pcs),12mm(15pcs),13mm(15pcs),14mm(15pcs),15mm(15pcs),16mm(15pcs),17mm(15pcs),18mm(15pcs), 19mm(10pcs),20mm(10pcs),22mm(10pcs),24mm(10pcs),25mm(10pcs),26mm(10pcs)