Adjustable with a "click"! The new pistol front sight is adjustable without tool three-way in width. The front sight base is installed on the pistol, you need only attach the swivelling front sight (width 4,0/4,5/5,0 or 3,5/4,0/4,5). Selectable in five different heights: 9,0 mm; 9,5 mm; 10,0 mm; 10,5 mm; 11,0 mm. In black, red and yellow.