This HiViz Interchangeable Front Sight is bright, ultra-durable and will enhance your confidence and shooting experience of your Colt 1911. It features an all steel construction and fiber optic LitePipe. Included are six LitePipes, carry case, and key to change LitePipes. Fits most wide tenon 1911’s. Blade Width: 0.125″ Blade Height: 0.180″ Replacement LitePipe Handgun Version #2. Front Sight Length: 0.750″. Front Sight Width: 0.122″. Front Sight Height: 0.360″.