Feature●Industrial grade 82mm (3-1/5") blunt needle, overall length 100mm (3.94").●16 Gauge stainless steel needle, outer diameter: 1.6mm (0.063"), inner diameter: 1.3mm (0.051").●These needles provide a smooth edge to prevent damage or hurt.●For glue injector, liquid measure, Liquid mixture, sealants, Craft glue, essential oil dispenser, ink refill, wood adhesive and injection, lubricants, etc.●Notice: This item is only used for Industrial or Lab TestingDescription