1. Accurate position cleaning, reduce dust to protect , turn dust into easy-to-clean water, use the least water to clean up the most dust, cleaning effect, keep the element's face clean, and machining accuracy and processing efficiency. 2. Fix the sprayer on the machine with the stainless steel fixing bracket, then put the water pipe through the nut at the tail of the sprayer, insert and tighten it. Then, you can working without dust blocking your . color:Photo color Material:plastic+metal Package Contents: 2 x Dust Remover Water Sprayer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.