45mm rotary blade for most rotary cutters - Emery, Dafa, Fiskar, Olfa, Clover, SewMate, Eastman, Kai etc.

* Material of blades are high carbon super alloy tungsten steel SKS7 punched and  hardness is up to RC 57 degree.
* Sharp blades along with durable edge.
* Each blade packed in a blister card.