"La Santa María" black and gray shader Great for black and gray work, this machine is fast and smooth frame machined cnc from a solid block of 7075 aircraft aluminum 22mm diam fixed Swiss Maxom Motor high quality delrin slide with a compensated distribution of weight rca or clip cord connection engine positioned in the center of the frame 2.6mm stroke with Slight damping recommended voltage between 4 to 7 volts available in 3 different anodized finishes. Black / Red / Blue