Muzzy Trocar HB Broadheads Hybrid 4 blade 100 gr. 3 pack. 35-inch-thick surgically sharp stainless steel mechanical blades that stay tucked in tight to the solid-steel ferrule in flight but they deploy reliably with a 1 5/8" expandable cutting diameter. The fixed blades are also 0.35-inch thick and have a cutting diameter of 1". They have an offset for increased accuracy and stability. The total cutting diameter of the HB and HBX is 2 5/8". The Trocar HB and HBX feature a bone-crushing chisel tip.4-Blade (2 fixed and 2 mechanical)Available in 100Chisel TipStainless Steel Ferrule.035" thickness blades1" Fixed Blade Cutting Diameter1 5/8" Expandable Cutting Diameter2 5/8" Total Cutting DiameterOffset Fixed Blades to Induce Spin3 per packReplacement Blades (SKU: 390) Specifications for Muzzy Trocar HB Broadheads: Manufacturer: Muzzy Quantity: 3 PK Weight: 100 grain Additional Features: Hybrid 4 Blade Features of Muzzy Trocar HB Broadheads: Steel Ferrule with Chisel Tip 100 grain Standard and Crossbow Model (HBX) 1 fixed Blade Cutting Diameter 1 5/8 Expandable Cutting Diameter Offset Fixed Blades to induce spin 3 per pack Package Contents: Muzzy Trocar HB Broadheads A hybrid broadhead that features a set of 1 fixed blades and 1 5/8 expandable blades for a total of 2 5/8 of total cutting surface. Features .035 offset fixed blades a Trocar solid steel ferrule and a Trocar tip.