Straight crystal edge,bright crystal surface, transparent yellow color, Comparatively higher strength and thermal stability, instead of high grade crystal shape made by two sides press,Applied to high strength saw、drill and grinding tools.　

Straight crystal edge,bright crystal surface, transparent yellow color, Comparatively higher strength and thermal stability, instead of high grade crystal shape made by two sides press,Applied to high strength saw、drill and grinding tools.　

Regular crystal shape，good transparency，higher strength and thermal stability. Applied to make geological drills of high quality for high efficient power saw, like rope saw、belt saw，etc.

Comparatively regular crystal shape, lower strength, high crispy. Suitable for grinding tools which work with low load.