1. Epoxy Mixer Paddles are made of reinforced plastic, can be reusable and is easy to be clean! They can attach to your drill easily. Versatile epoxy mixer paddlers fit multiple tool platforms! 2. Our mixer paddle spiral four-blade according to the working principle of spiral mixing, it can make stirring epoxy so much easier and more evenly. Besides, it can also minimize the addition of into your mix. Name: Resin mixer Size: 16.5 x 3.5cm Fits: Any 1/4inch drill Note: The speed should not exceed 1000 rpm, it is recommended to be between 180-300 color:Black Material:ABS Package Contents: 8 x epoxy mixer Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.