Portable separate tube packaging: each glass syringe have a separate tube,you can use it one by one,protect your oils ,the glass blunt will be portable and more convenience. Luer lock design: 1ml glass syringe comes with a lucer lock in order to prevent leakage and good sealing,the material is more stable and better sealing than luer ,the luer lock cap can prevent air and anything else from into the glass syringe,giving your good use feeling. Widely application of glass blunt tips syringe: Can be used for ,Plant oils,Ejuices,liquids,DIY crafts,glue dispensing,pet feeding and so on,also good for solvent ink, water-based ink refill, and distillates ,school or lab. Production material: The 1ml luer lock syringe is made of heat-resistant reusable borosilicate glass and metal Plunger with accurate measuring,which make syringe more resistant,durable and resistant of high temperature,the glass syringes is makes in .05ml increments and are numbered in .2ml increments up to 1ml. 14G 1/2inch blunt tips needles: every glass syringe set include a 14 gauge 1/2 inch blunt needles tips which make you can use it easily for drawing and dispensing. Colour:As Shown Material:Glass+Metal Package Contents: 5 * Luer lock Syringe 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.