Individual Harden Steel Cutter Product No. / SKU: 23M-4S $0.88 Individual Harden Steel Cutter quantity Add to cart 84 required per 2 bundle set Expected cutter life on concrete: 20 – 30 hours, steel: 50 – 70 hours. For use on our 8″ Scarifier models M5-1 and M5-1C You may also like… Carbide Steel Bundle Set $480.00 Add to cart 8″ Scarifier M5-1C $1,400.00 Add to cart 8″ Scarifier M5-1 $1,120.00 Add to cart Individual Carbide Cutter $7.85 Add to cart Related Products Replacement Locking Pin & Spring $67.00 Add to cart 8″ Scarifier M5-1 $1,120.00 Add to cart Harden Steel Bundle Set $156.00 Add to cart