Have you ever wondered how they achieve that glass-smooth finish on show cars? Straight, smooth, ripple free finishes, start with perfectly straight bodywork and accurate sanding. The flexible sanders bend to suit the body’s contour to virtually eliminate flat spots and assure a uniform surface. This kit puts our most popular sanders and Guide Coat together at a savings over individual pricing. Includes the (31144) 21″, (31143) 15″, and (31171) 6″ Flexible Sanders along with an aerosol can of (12389Z) Black Guide Coat, and two 82.5′ rolls of stick on abrasive paper in 120 grit (31374) and 320 grit (31376).