*Additional Spacer Block accessory is required for all VPA Single Bevel broadheads* *Additional Delta Jaws accessory is required for all 2 blade broadheads under 2 inches. They are needed for all VPA 2-Blades and Single Bevel broadheads EXCEPT for the following: 2-Blade 300gr. 1 1/4", All 300 Grain Single Bevels* See KME&';s Website for more details https://www.kmesharp.com/broadhead-sharpener.html *Not for Sharpening Conventional 3 or 4 Blade Broadheads KME Self-Aligning Broadhead Sharpener Revolutionary Free-Spinning Clamp Assembly: automatically rotates to perfectly align the edge of the blade with the surface of the sharpening stone every time The only Broadhead Sharpener with an Interchangeable Jaw System: one set of jaws for sharpening conventional two-blade broadheads, and one set for sharpening replacement blades, bleeder blades, and mechanical blades. Removable Clamp Assembly: the Clamp Assembly snaps in and out of the frame. Remove to clamp or release a blade, or to change the jaws. Heavy Duty Construction Featuring: Extruded and Machined Aluminum Frame and Jaws Stainless Steel Components, Including a 14 Ga. Wrench Proudly Made in the USA and Guaranteed for Life The KME Broadhead Sharpener is also angle adjustable.