Feature●【HIGH QUALITY】Made of durable flexible nitrile rubber,are durable,high temperature resistance.●【DETAILED SIZE】ID 3/8 (9.52mm) * IL 1 (25.4mm) = 5pcs dropper vacuum cap, ID 5/16 (7.93mm) * IL 7/8 (22.22mm) = 10pcs dropper vacuum cap, ID 1/4 (6.35mm) * IL 1-1/4 (31.75mm) = 15pcs dropper vacuum cap, ID 7/32 (5.55mm) * IL 47/64 (18.65mm) = 25pcs dropper vacuum cap, ID 3/16 (4.76mm) * IL 11/16 (17.46mm) = 25pcs dropper vacuum cap, ID 5/32 (3.96mm) * IL 39/64 (15.48mm) = 25pcs dropper vacuum cap.●【WIDE FEATURES】 Rubber vacuum caps can provide a tight fit to prevent vacuum leakage. Widely used in carburetor, manifold, automotive, pipelines and hoses etc.●【HANDY PACKING】Total 6 Sizes 105pcs rubber vacuum cap kit packed in a clear plastic case, makes it easy to find correct item quickly, saves your time of running around looking for a particular size vacuum caps.●【CUSTOMER SERVICE】You are unsatisfied for any reason, return your goods with no questions asked and BUSY-CORNER STORE will provide a full refund.Description