Versatile Resin Mixer Paddles for 1/4 drill bits! 4 x Epoxy Mixer Paddles. ✔Epoxy Stirrer Paddles are made of durable material that won’t bend or break in use! ✅ 【Four-blade Spiral】The resin mixer paddle adopts a spiral 4-blade design, making the mixing more uniform and fast, minimizing the generation of bubbles, and making the epoxy resin mix more evenly.