The Donega Optical bench magnifier is perfect for the reloader inspecting cases or the gunsmith for small projects. The 4" acrylic magnifier is mounted on a 12" long flexible arm with a heavy base for hands free operation in any position. This desk base magnifier is designed for stability and appearance. The powerful diopter lens is selected for best field of view and focal length. Convenient adjustable flex arm leaves hands free for work making small jobs easier and faster. Features 4" Diameter Acrylic Magnifier4x MagnificationLightweight optical-grade acrylic lens is mounted on a 12a ^2 flexible arm for convenient useLeaves hands free for work under a powerful 4a ^2 diopter lensMakes small jobs go faster and easierStable Weighted Base