ITEM NAME:Universal Flexible Magnetic Metal Base Adjustable Bracket Frame Holder Product Description Description: Features: Permanent magnetic operation with open / off control. The flat base is safely installed on the cylindrical surface. Ideal holding lever indicators in any direction of machine tool alignment operation. Flexible, powerful and precise rotary joint, it can adjust any direction and position. A powerful magnetic base with a switch magnet. Good stability,it is an ideal tool for field measurement of precision workpieces. A magnetic base can be used for dial indicator, dial test indicator etc.. Specifications: Base size (long x wide x high): about 40 x 29 x 35mm/1.57 x 1.14 x 1.38" Total height: about 19.4cm/7.64" Clamping hole diameter: About 8mm Lever dial indicator Notes: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-3mm measuring deviation due to manual measurement. Included: 1 XÂ Magnetic Metal Base.A powerful magnetic base with a switch magnet. A magnetic base can be used for dial indicator, dial test indicator etc. Flexible, powerful and precise rotary joint, it can adjust any direction and position.