Specification: 【Warm Note】-Industrial use only, NOT FOR MEDICAL Material: stainless steel+plastic Color: transparent, pink, green, black, blue, purple, orange Randomly Type: 14GA,15GA,16GA, 18GA, 20GA, 21GA, 23GA, 25GA,27GA Package Include: 10pcs (1 for every mixed)/set25pcs/bag(Delivery according to your choice) Pay Attention: Not for professional clinical using 【Luer Lock Connection】- The luer lock is a connector can prevent the needle falls off from the syringes 【Widely Use】- Great for wood adhesive, glue injector, primary oil dispenser, grain alcohol, science lab measuring, interest crafts, paint, precision purposes of CA glues, ink refill, perfume measure and injection, lubricants, sealants and many others note:Since the monitors don't have the same calibration, there will be slight differences in color, please seek advice from the particular problem