Muzzy Bowhunting Replacement Blades for MX-3 Broadheads 75 Grain/125 Grain and Cross Kill 125 Grain/150 Grain, 6 Pack REPLACEMENT BLADES - 3-Blade Replacement Blades, 6 sets per Pack FITS ON A RANGE OF ARROWS - Replacement Blades for MX-3 75 Grain, 125 Grain, CrossKill 125, & CrossKill 150 CUTTING DIAMETER - 1.19" Blade Thickness - .025" MADE IN THE USA -Founded in 1984, Muzzy is the number one name in fixed-blade broadheads, and proudly made in the USA!