[Innovative Tool]: The Cone Nozzle for Bulk Caulk Toos is designed to easier and more efficient to apply caulking to surfaces. [Adjustable Tip]: The cone nozzle has an adjustable tip that allows you to control the size of the bead you are applying, making it easier to apply caulk in tight spaces and corners. [Shut Off Valve]: The nozzle also has a built-in shut off valve that prevents the caulk from spilling out when not in use. [Durable Plastic]: The cone nozzle is made from durable plastic, making it long lasting and reliable. [Time Saving]: Save time by using this innovative tool for all your caulking needs. Colour:yellow Material:plastic Package Contents: 50X Cone Nozzle Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.