The Armortech HS HD has a micro adjustable dovetail bracket and a universal quiver mount. It features optional HS (High Speed), Armor Fibre Technology and True Center Vision supplies a circular sight picture even when viewed slightly off center. It also has a dovetail extension dampener from Mathews Harmonic. Micro adjust each pin, one at a time or all at once. Interchangable for RH/LH shooters.