Gun Gripper technology holds firearm solidly in place. Self centering form fitting retention for barrels stocks and handguards. Each yoke as a different Gun Gripper width which allows for all types of long guns to be used wide stocks thick barrels down to skinny stocks and small barrels. Portable compact design fits in your range bag or on your bench. Four adjustable feet allows for non-slip leveling capabilities. Locking yokes allows for a solid platform while cleaning scope mounting or light gunsmithing in a portable footprint. Laser engraved 1 increments ensure proper length for consistent firearm placement in a 10 16 footprint. Box size: 13 x 8.25 x 3 (rough dimensions)