Industrial grade 12mm (1/2") blunt needle, overall length 30mm (1.18").27 Gauge stainless steel needle, outer diameter: 0.4mm (0.016"), inner diameter: 0.21mm (0.008").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 Testing.
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