2PCS helix paint mixer(0.26inch hex shaft,ATTENTION:bigger than 1/4inch),1PCS Drill Chuck(1/4inch hex shank,fit the drill which diameter is 0.02inch~0.31inch).The mixer can securely connects to all electric drill chucks 3/8 inches and larger.And the drill chuck provided by this set of tools can help you adapt to all 1/4inch quick chuck drill, which can meet most of the work scenarios. [NICE QUALITY]Paint mixer was made of Metal + plastic, rust-proof, wear-resistant and durable, and has a long service life. [GENERAL SIZE]The helix mixer paddle head measures 2.23 inches x 2 inches,total length is 10.14inch.AND through use with drill bit clamps,can be used for most drill bits and electric screwdrivers. [EFFICIENT AND CONVENIENT]Very easy to install,but you need to pay attention to tightening the drill bit,and in order to prevent splashing,please make sure that the head of the stirring paddle is immersed in the liquid you are stirring. [WIDE APPLICATION]Can be used to mix most viscous fluids, paints, coatings, stains, wall texture and adhesives.Works great as an epoxy mixer, resin mixer, silicone mixer and many other uses. Colour:black Material:Metal + plastic Package Contents: 2 set x paint 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.