TELESCOPING: 11-1/2 arm extends to 16 inches. MIRROR: Fully polished 2 x 3-1/2-inch glass mirror in a chrome frame. PIVOTS: Ball and socket joint allows the mirror to be locked in position. HANDLE: Non-slip, cushioned grip. REPLACEABLE MIRROR: Glass replacement mirror is available – item 560RMF General Tools and Instruments inspection mirrors facilitate inspection of inaccessible workpieces and machines by toolmakers, assemblers, inspectors and mechanics A fully polished glass mirror is enclosed in plated holders which is attached with a ball and socket joint to a telescoping arm and vinyl cushion grip handle This 11-1/2 inch length inspection mirror extends to 16 inches and features a 3-1/2 inch by 2 inch oblong mirror