6"x1/2" Economical Aluminum Master Lap | Precision Flat Base for Lapidary Polishing

Our Aluminum Master Support Laps are designed to provide a stable and reliable surface for diamond flat laps and discs to operate on. With a precision-groundflat and parallelsurface, these master laps ensure consistent and accurate polishing results across a variety of lapidary applications.Constructed from a combination of aluminum  and plastic materials, these laps are lightweight, durable, and easy to handle. At 1/4 inch thick and non-abrasive, they are ideal as backing plates for both standard and custom-sized laps.Our standard backing plates support 6" and 8"discs, while larger sizes ranging from 10" 12" 14" 16" 18" and 24" in diameter are also available, offering versatility for professional and hobbyist lapidary work.Whether you are polishing gemstones, crystals, or other lapidarymaterials, these Aluminum Master Support Laps provide a consistent, flat base to maximize the performance of your diamond flat laps and discs.