Material: Rubber
Color: Black

Package included: (Quantity ---- internal Diameter x Thickness)
20pcs ---- 3mm x 1mm rubber O ring
20pcs ---- 4mm x 1mm rubber O ring
20pcs ---- 4.5mm x 2mm rubber O ring
20pcs ---- 5mm x 2mm rubber O ring
20pcs ---- 6mm x 2mm rubber O ring
20pcs ---- 6mm x 2.5mm rubber O ring
5pcs ---- 13mm x 3mm rubber O ring
5pcs ---- 14mm x 2.5mm rubber O ring
5pcs ---- 17mm x 2.5mm rubber O ring
5pcs ---- 18mm x 4mm rubber O ring
5pcs ---- 20mm x 2mm rubber O ring
5pcs ---- 22mm x 2mm rubber O ring
20pcs ---- 6mm x 3mm rubber O ring
20pcs ---- 7mm x 2mm rubber O ring
20pcs ---- 8mm x 2mm rubber O ring
5pcs ---- 9mm x 2mm rubber O ring
5pcs ---- 10mm x 2mm rubber O ring
5pcs ---- 12mm x 3mm rubber O ring

●Kit includes 18 common sizes, total 225 pieces rubber O ring, enough to meet your daily needs
●All rubber O ring washer are stored in labeled and organized plastic case, so you can clearly distinguish them for easy to choose the right size; Easy to carry and store