This product is a pack of 2 replacement blades for HS and HSC series coring tools. These replacement blades feature the following:

Made of heat treated high carbon steel for long life and durability
Grounded and hardened cutting edge is sharp and durable
Can be replaced using a standard hex key (included with HSC and HC tools)
Specifications
Dimensions
0.22- (5.6 mm) x 2.27- (57.7 mm) x 5- (127 mm)

Weight 0.01 lb (2.724 g)