... as rectangle, triangle, square, semi-circle and so on, can also be customized per customers' requirements. Supreme Superabrasives has various ... shapes per customers' requirements. SUPREME PCD Cutting Tool BlanksTM are available in 5 micron, 10 micron, 25 micron, and so on ... usually 50 to 250 times longer than that of traditional sintered carbide cutting tools. Made in China PCD cutting tool blanks