High Quality: These rotary cutter blades are made of high-quality steel for the durability you need to get back to work.
Dimensions: This rotary blade is 4 in. x 29-3/4 in. x 1/2 in. with a 1-1/2 in. bolt hole.
Compatible OEM# 401-1003-21 and others
Material Tempered Steel
Dimensions 4 in. x 29-3/4 in. x 1/2 in. with a 1-1/2 in. bolt hole.
Heat Treat RC 38-42
Ductility Test ASAE-S483
Origin Made in USA