You can sharpen the main blades yourself or replace them

And the list of features goes on

Retina™ Low Light sensitivity

Enhanced Accessibility: Elevation screws are easier to access

heightened depth perception

Shrewd Riot Recurve Double V-Bar-45deg Straight-Black (Open Box X1046166) bfcm_sale You can sharpen the mainShrewd Riot Recurve Double V Bar 45deg Straight Black Product shows previous mounting marks Limited inventory, available while supplies last Special pricing on this item is available online only The perfect compliment to the Shrewd Revel stabilizers Premium aesthetics and optimal performance Solid connection from V Bars to stabilizer 5 16" x 24 threads Weight: 3. 36oz