Louvre blade diameter 4 inches = 100mm 4.5 inches = 115mm 5 inches = 125mm 6 inches = 150mm 7 inches = 180mm points gravel 40# 60# 80# 100# 120# These are Louvre blade general Grit designation. The price is unified.

Cutting Disc grinding wheel specifications
the 4-inch one is divided into several thickness 105*1*16 105*1.2*16 100*3*16 100*6*16
4.5-inch thickness 115*1.2*22.2 115*3*22.2 115*6*22.2 115*1.6*22.2
5-inch thickness 125*1*22.2 125*1.2*22.2 125*3*22.2
7-inch thickness 180*1.8*22.2 180*2*22.2 180*3*22.2
9 inches divided into several thickness 230*1.8*22.2 230*2*22.2 230*3.2*22 (the hole is divided into the shape and parallel
)
large cutting disc divided into several 12-inch = 300*3.2*25.4 14-inch = 350*3.2*25.4 16-inch = 400*3.2*25.4 (these are divided into single mesh and double MeSH)