This is a DeSantis Gunhide Belt Holster known as the 085, model 085BA8JZ0.
Premium saddle leather" double seams and a highly detailed molded fit" make this exposed muzzle" tight fitting" two-slot holster a great choice for your favorite pistol. It features an adjustable-tension device. Available in black or tan leather. Belt slots are 1 3/4" wide.
Features:
Features two belt slots with a forward draw
Most models feature a tension screw so it can be as tight or as loose as the user wishes
Comes with a thumb break
Rides high and tight to the body