Medical sterile needles are sealed in sterile packaging and are ready for use. Remove from packaging in a clean environment, attach mushroom spore syringe through luer lock, and inject as needed. 18 gauge is preferred for use with spore syringes and 16 gauge for liquid culture syringe use. 18 gauge needle, 33 mm in length or 1.5 inches. Syringes, Luer Lock Syringe Caps, and Alcohol Swabs are sold separately here.
