Supports 1911 for cleaning and light gunsmithing operations. Built-in barrel bushing wrench. Designed for use with Tipton Best Gun ViseTM, mounts to center rail with included fasteners. Also designed to mount to your bench top, with the included fasteners. Center section rotates 180° (in 15° increments) and locks into place at desired location. Locks into place using magazine lock on your receiver. Solvent-resistant polymer provides durability and is non-marring to surfaces. Mag well arm is removable for clamping in a bench vise when additional rigidity is required.