- Supply TypeManufacturer, Exporter, Supplier, Retailer
- Preferred Buyer Location All over the world
This kit provides a convenient introduction to frictional characteristics of different materials. The kit contains 3, 3x4 inch wood blocks; 1 with a mirror cemented to 1 side, 1 with sandpaper cemented to 1 side and 1 plain. A 3x14 inch mirror is supplied as the surface.