No more driving or hammering an open sight into dovetail. WDOS slides right into standard 3/8" dovetail with finger pressure. Locking screw tightens against the dovetail, locks sight in place. Windage and elevation adjustments. One size base, 3 different blade heights.
SPECS:
BLADE HEIGHTS - 3/16" (4.8mm) for total sight height .281 (7.1mm) to .345 (8.8mm). ¼" (6.3mm) for total sight height .345 (8.7mm) to .406 (10.3mm). 5/16" (7.9mm) for total sight height .406 (10.3mm) to .468 (11.9mm).
Catalog page 273