Please note that on the occasion of National Patriots' Day, we will be closed on Monday 20 May. Our showrooms will also be closed on Saturday 18 May. We will be back to regular hours on Tuesday, May 21.
The 2 external layers have harder binder metal than the central one.
This allows the blade to wear uniformly avoiding the typical round edges in the external part of the diamond rim (than would compromise the effectiveness of the blade). So, this feature results in better, smoother cuts and longer life of the blade.