Steel/Stainless Steel (Inox)/Cast Iron Soft Type - Hardness. Abrasive: Aluminium Oxide Manufactured Without Addition Of Ferrous, Sulphurous Or Chlorinated Fillers.

The highest quality cutting wheels. These discs are extremely versatile and can be used in applications ranging from general metal cutting to slicing rebar to cutting angle grinder. 4 1/2 cut-off wheel is made of aluminum oxide grains that are durable and safe. It also provides aggressive cutting action and longer service life. Perfectly compatible with all 4-1/2 inch angle grinders with 7/8 inch(22.2mm) arbor, and thickness 0.047 inches.