Kensight Rollo 1911 Flat Low-Profile Adjustable Tritium Night Sight Set Black. The set is sold with a 0.200'' tall blade but blade heights from 0.150'' to 0.220'' are available upon request. Compatible with Novak type front sight dovetail cuts (0.330" x 65 x 0.075") as typically found on both customized and factory 1911 pistols. Specifications for Kensight Rollo 1911 Flat Low-Profile Adjustable Tritium Night Sight Set: Manufacturer: Kensight Gun Make: 1911 Platform Gun Model: 1911 Color: Black Fabric/Material: 4140 Chrome Moly Steel Gun Type: Pistol Illumination Type: Tritium Illumination Color: White Package Contents: Kensight Rollo 1911 Flat Low-Profile Adjustable Tritium Night Sight Set Kensight 960-098: Rollo 1911 Flat Low-Profile Adjustable Tritium Night Sight Set Black