Additional Details ------------------------------ Product description: Free of flash, burrs, and contaminants Package labels include lot numbers for process control and traceability Consistent from style to style and lot to lot 360-Deg. SafetyLok thread ensures safe, positive attachment to syringe barrel Engineered hub flats for easy twist on, twist off Made from burr-free, polished passivated stainless steel, Optimum general purpose dispense tips are ideal for handling a wide range of assembly fluids. Optimum general purpose tips deliver precise, consistent deposits every time. Designed with our own unique polypropylene SafetyLok hubs that fit securely onto the barrel reservoir, general purpose tips prevent leakage and ensure drip-free dispensing. Each hub is designed with flush mating of the hub to the cutoff for smooth fluid flow and to prevent trapped air, which causes dripping and drooling. Burr-free passivated stainless steel tubing ensures consistent fluid deposits. Higher Quality - Each hub is manufactured and quality-tested to be free of molding flash ? bits of plastic that can block fluid flow and cause inconsistent deposits. Greater Traceability - Tip hubs are color coded by size to help identify the gauge or internal diameter. Tips are also packaged in clear boxes for easy inventory control ? with lot numbers, part numbers, and other information clearly labeled for greater process control and traceability. Made for Industrial Use - Optimum dispensing tips are manufactured in the USA in silicone-free facilities to prevent fluid contamination and are certified for industrial use.