Muzzy Bowhunting 4-Blade Replacement Blades for 209 MX4-3 Broadheads, 100 Grain, 3 Pack REPLACEMENT BLADES - 4-Blade Replacement Blades, 3 sets per Pack for 209 MX4-3 Broadheads LARGE CUTTING DIAMETER - 100 Grain, .025", 1-1/8" cutting diameter RAZOR SHARP - A total of 12 blades MADE IN THE USA -Founded in 1984, Muzzy is the number one name in fixed-blade broadheads, and proudly made in the USA!