Designed for those hunters who demanded more from the incredible double-pin platform New 3rd Axis Block allows for Quick Disconnect & Scope change options Alignment pins within the 3rd Axis block allow for pin guard changes without the need to re-level your sight Increased windage adjustment accommodates wider risers bows Triple Stack introduces 3 individually micro-adjustable vertical pins giving archers more flexibility and accuracy in increasingly demanding hunting situations Set your gaps for all three pins, and with the Adjustable Yardage Indicators archers now have constant yardage updates for all aiming points as the dial is turned Spot Hogg's vertical pins are unique in that they are all in-line on the same plane, this feature increases accuracy while reducing the effects of torque on the shooter's sight picture Always-Up Solar Wrap boost light-gathering capabilities and ensures solid pin visibility in all lighting conditions Bulletproof Pins are standard for Spot Hogg's toughness and reliability Includes all three MRT Ring sizes for custom peep alignment in varying lighting conditions Designed with the hunter in mind, the Fast Eddie borrows the necessary features from the Tommy Hogg and puts them in a lighter, quieter, easier to use package, Silent click free adjustments, a sleek and trim frame (20% lighter than the Tommy) Rugged lightweight hard mount Micro-adjustable 2nd & 3rd axis Coarse toolless horizontal & vertical adjustments Silent, quick release lock for yardage knob HRD Technology, no bushings, no slop, no buzz Large easy to use yardage knob Constructed of 6061 aluminum Accepts sight light: yes, 3/8 x 32 Accepts lens: yes Made in the USA