Product Information- Product name: Cotter Pins Assortment Kit- Color: Silver- Material: 304 Stainless Steel- Quantity: 290 PcsPackage Includes:20 Pcs - M1.5x10 mm20 Pcs - M1.5x16 mm20 Pcs - M1.5x20 mm20 Pcs - M1.5x30 mm20 Pcs - M2x10 mm20 Pcs - M2x16 mm20 Pcs - M2x20 mm20 Pcs - M2x30 mm10 Pcs - M2.5x12 mm10 Pcs - M2.5x16 mm10 Pcs - M2.5x20 mm10 Pcs - M2.5x30 mm10 Pcs - M3x16 mm10 Pcs - M3x25 mm10 Pcs - M3x35 mm10 Pcs - M4x20 mm10 Pcs - M4x25 mm10 Pcs - M4x35 mm5 Pcs - M6x25 mm5 Pcs - M6x35 mm5 Pcs - M6x45 mm5 Pcs - M5x25 mm5 Pcs - M5x30 mm5 Pcs - M5x40 mmFeatures:- The cotter pins assortment are made of high quality 304 stainless steel material, which is sturdy, and durable for long time use.- With hairpin design can quickly, safely and effectively lock nuts and bolts in place and prevent them from rotating relative to each other.- All stainless steel cotter pins are packed in a storage box, which are easy to use, store, use, and find.- Widely used in automobile industry, machine industry, construction site, railway, power station, etc.- You will receive a total of 290 pieces stainless steel hairpin cotter pin, in 24 sizes, enough for your daily use..Warm Tips- If you have any questions about using the split pins, please feel free to contact us. We will solve your doubts as soon as possible.