Bianchi specifically designed the 55L for the small framed hammerless revolvers that are so popular for concealed carry. Security is provided by a retention strap that crosses behind the trigger guard. The release tab is activated by the middle finger during the draw stroke. 1.75" belt loop. Features: Fits revolvers with hammer shrouds Designed for use with rubber hammer shroud grips Fingersnap strap allows the middle finger to open snap Rides high and close to the body for maximum comfort and concealability Suede lined Closed muzzle 1.75" belt slot Size 02 Fits: Ruger SP101 2" S&W 640-1 2"