50 * 50mm Stainless 304 240grit Back Catalog number: 8644S4-50S Manufacturer: Sampling Systems Availability: In the manufacturer's stock Price on request - + Recommended 8644AL-100 100 * 100mm Aluminium coupon. 240grit (buff #4) Price on request 8700B-01 200mm Sieve. 4mm Price on request 8700S-14 200mm Sieve. 106micron Price on request