Specification Brand : uxcell BulletPoint1 : Industrial grade 12.3mm (1/2") blunt needle, overall length 30.3mm (1.19"). BulletPoint2 : 27 Gauge stainless steel needle, outer diameter: 0.4mm(0.02"). BulletPoint3 : These needles provide a smooth edge to prevent damage or hurt. BulletPoint4 : For glue injector, liquid measure, Liquid mixture, sealants, Craft glue, essential oil dispenser, ink refill, wood adhesive and injection, lubricants, etc. BulletPoint5 : Notice: This item is only used for Industrial or Lab Testing Color : Gray ItemName : uxcell Industrial Blunt Tip Dispensing Needle with Luer Lock for Liquid Glue Gun, 27G 1/2", 40 Pcs Gray ItemPackageDimensions_Height : 9.1 centimeters ItemPackageDimensions_Length : 1.7 centimeters ItemPackageDimensions_Width : 6.1 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : dispensing-needles Manufacturer : uxcell Material : ABS, 304 Stainless steel PartNumber : a24032300ux0671 ProductDescription : Non-sterile, Stainless Steel Dispense Needles. These needles provide a smooth edge to prevent damage or harm. Excellent for dispensing accurate measurements of fluids including epoxies, inks, oils, solvents, adhesives, and solder paste. The lower the needle gauge, the larger the needle. For very thick fluid applications, use a low-gauge needle. This item is only used for Industrial or Lab Testing.