External Retaining Rings, 330PCS Alloy Steel Retaining Rings E-Clip Assortment Set-M1.5 M2 M2.5 M3 M3.5 M4 M5 M6 M7 M8 M9 M10 M12 M15 E-Clips Retainer Circlip Rings for Bearings, Gears, Pulleys, Axles