Inspection Mirror Number of Pieces 1 Mirror Size (in) 2-1/4 Circular Glass Handle Type Knurled Aluminum Shaft Material Stainless Steel Length (in) 8-5/8 Swivel Type Ball Joint Facilitate Inspection of Inaccessible Workpieces andmachines By Toolmakers Assemblers Inspectors and Mechanics and Feature Dual Ball-and-Socket Joints for Infinite Angle Adjustments of The Mirror