... Grey colorThe main color in the market, mainly for all kinds of metalsGreen colorFor after treatment of plating(like copper ... according customers requirmentCOLOURGrey/Red/Green/White/Maroon/Brown/Dark BrownBOREAll sizes hole:cycle/square/hexagon/cross,etc.Can also add ... of tubes.MAX ROTATION SPEED<=3000R/MINMAIN APPLICATION (work pieces)All kinds of metals, wooden wares, plastic wares, marble and ...