Just install them directly on the glue, slowly squeeze out the glue to the thin end, prevent glue spilling out and prevent fingers from sticking to glue, better protect your hands. Length is 2.6inch/6.7cm, the wide head diameter is 0.15inch/0.39cm, and the tip diameter is 0.008 inch/0.02cm. Portable sizes are suitable for use with instruments. You get 300 pcs glue tips compatible for CA, can be cut and used according to the diameter you need. These ca glue tips tubes are made of excellent plastic + soft + precise container head, soft and sturdy, easy to extrude and accurate control of extruding quantity. These glue tips for glue bottles are perfect for small crafts, paper crafts, quilling, architectural models, car models, clocks or guitar , shoe sole repair, art crafts hobby and small parts, Weight: 0.23258768641 pounds, Manufacturer: Reeatel