KME Self-Aligning Broadhead and Replacement Blade Sharpener with adjustable angle - Model BS-100 Newest KME Broadhead sharpener with adjustable angle Free spinning clamp design rotates to align the blade with the sharpening stone -w orks with any benchstone 2 pairs of interchangable jaws sharpens a wide range of broadheads Made in the USA Not for use with conventional 3 or 4 blade broadheads