Features Uniform Mixing: The paddle adopts a spiral 5 blade design, with strong mixing force, which can make the mixing of resin easier and more uniform. Reduced Air Bubbles: The unique design of this mixing head allows you to incorporate as little air as possible during the mixing process, reducing air bubbles in the finished product. Fit With 1/4in Bits: This mixing tip can work with any 1/4in bits or you can use it with a mixer and run it at 180 rpm for better mixing. ABS Material: Our resin paddles are made of durable ABS material that won't bend or break during use and are reusable. Easy Cleaning: Wipe up residue with baby wipes, then wash paddle with warm water and mild soap is ok. Feature: 1. Wide Application: This paddle can be used not only for mixing resins, but also for mixing thick liquids such as paints, ceramic glazes, colorants, etc. And it is recommended to mix 4 oz or 8 oz of liquid for better blending. Specification: Item Type: Resin Mixer Paddles Material: ABS Connection Shank: 1/4in Hex Shank Package List:4 x Resin Mixer Paddle Package List 4 x Resin Mixer Paddle