Check the listing for details. (100 PCS) CARBURETOR & VACUUM RUBBER CAP PLUG ASSORTMENT KIT INTAKE VACUUM LINES. Color: Black, Condition: New. Listed at 12.19 USD. About this item✅【HIGH QUALITY】These vacuum caps are made of high quality rubber, soft, durable, flexible and insulated, which have higher strength, service life and anti-corrosion capabilities.✅【SIZE & QUANTITY】This black end caps assortment kit have 6 different sizes for you to choose, including 3/16''(25pcs), 5/32"(25pcs), 7/32"(25pcs), 1/4"(10pcs), 5/16''(10pcs) and 3/8''(5pcs).✅【PERFECT FIT】Right size vacuum caps can provide a snug, airtight fit for your vacuum project. Also can be used as an ordinary end cap, which can cover any scratches or burrs that may occur during the cutting process, provide protection against injury by pointed rod and tubing edges.✅【CONVENIENT PACKING】Comes with a convenient plastic case. Clear plastic case makes it easy to find correct vacuum caps quickly, saves your time of running around looking for a particular size caps.✅【WIDE APPLICATION】These rubber vacuum caps can provide a tight fit to prevent vacuum leakage. Widely used in carburetor, manifold, automotive, pipelines and hoses etc.