Each package of replacement blades contains 6 sets of blades.

(207) 75 Grain 3-blade | SKU: 307 | UPC: 050301307001

(235, 235-R) 125 Grain 3-blade | SKU: 330 | UPC: 050301330009

(225, 225-R) 100 Grain 3-blade | SKU: 320 | UPC: 050301320000

MX-3 100 Grain 3-blade | SKU: 320-MX3 | UPC: 050301320048 

(209, 209-R) 100 Grain 4-blade | SKU: 309 | UPC: 050301309005

(215,245, 255) 115 Grain & Up 4-blade | SKU: 312 | UPC: 050301312005

MX-4 100 Grain 4-blade | SKU: 309-MX4 | UPC: 050301309043