The newest and greatest from the Evolution Brand. These needles are for Loop Bar Needle users. The special design mixes the old with the new. These needle slide into any standard grip that has a shaft in the middle where you would use a Tip and Tail End. Instead of putting in these 2 item you would add the Long Cartridge Needles instead. No more bending the loop bar or using rubber bands to keep your needle down. These needles are made with precision and fits it tip perfectly. Needle Style - Long Cartridge Needles Needle Type - Round Shader Needles (Long Taper 0.35mm) Brand - Evolution® Needle Quantity - 20pcs/Box Sterilized - Yes