BUYGOO 24Size 1200Pcs Metric Nitrile Rubber O Rings Assortment Kit Features : Commonly Used Sizes This set includes 24 commonly found o ring sizes that will fit any job you need. The sizes in this set works great for applications such as : Plumbing, Gas, Automotive and Faucet Repair, and so much more. Ultimate Flexibility NBR material allows o rings to be flexible while maintaining its durable construction. Great Organization Set comes organized in a sturdy box that fits conveniently in your tool drawer or anywhere you go. Specifications : Thickness : 1. 2mm; 1. 5mm; 2. 4mm; 3. 1mm OD : 6mm to 28mm Color : Black Material : NBR Operating Temperature : Low : -40degree celcius -44℉; High : 120degree celcius 248℉ Package includes : 6 x 1. 5mm---100Pcs 6. 5 x 1. 5mm---100Pcs 7 x 1. 5mm---100Pcs 8 x 1. 5mm---100Pcs 9 x 1. 5mm---100Pcs 10 x 1. 5mm---100Pcs 11x 1. 5mm---100Pcs 12 x 1. 5mm---100Pcs 13 x 1. 5mm---50Pcs 14 x 1. 5mm---50Pcs 15 x 1. 5mm---50Pcs 16 x 1. 5mm---50Pcs 17 x 2. 4mm---20Pcs 18 x 2. 4mm---20Pcs 19 x 2. 4mm---20Pcs 20 x 2. 4mm---20Pcs 21 x 2. 4mm---20Pcs 22 x 2. 4mm---20Pcs 23 x 2. 4mm---20Pcs 24 x 2. 4mm---20Pcs 25 x 3. 1mm---10Pcs 26 x 3. 1mm---10Pcs 27 x 3. 1mm---10Pcs 28 x 3. 1mm---10Pcs