METRIC This is a complete set of over 200 of the most commonly used Paintball marker o-rings in a handy protective case with dividers. Standard Buna o-rings. Don't ruin your day by having your gun go down because you don't have the right o-ring! A necessity for any gunsmith to have in their toolbox! This set has all the metric O Ring sizes that you are ever likely to use. They are ideal for garages; plumbers; mechanics; and DIY use. Sizes (Internal Diameter x Section): 20 piece - 3mm x 1mm 20 piece - 4mm x 1mm 20 piece - 4. 5mm x 2mm 20 piece - 5mm x 2mm 20 piece - 6mm x 2mm 20 piece - 6mm x 2. 5mm 20 piece - 6mm x 3mm 20 piece - 7mm x 2mm 20 piece - 8mm x 2mm 5 piece - 9mm x 2mm 5 piece - 10mm x 2mm 5 piece - 12mm x 3mm 5 piece - 13mm x 3mm 5 piece - 14mm x 2. 5mm 5 piece - 17mm x 2. 5mm 5 piece - 18mm x 4mm 5 piece - 20mm x 2mm 5 piece - 22mm x 2mm Comes complete with storage case

Product ID: XP9955A-B