Description:_x000D_One magnetic base_x000D_It can used for dial indicator and lever dial indicator,etc_x000D_Designed with three joints_x000D_Easy using for metalwork pieces_x000D__x000D_There is On/Off switch on the base _x000D__x000D__x000D_Specifications:_x000D__x000D_Base Size(L x W x H): Approx. 38 x 29 x 35mm / 1.5 x 1.1 x 1.4 inch_x000D_Total Height: Approx. 20cm / 7.8 inch_x000D_Clamping Hole Diameter: Approx. 8mm_x000D_Material: Metal_x000D__x000D__x000D_Package Includes:_x000D__x000D_1 x Magnetic Base _x000D__x000D__x000D_Note: _x000D_This item must be put in the magnetic plane._x000D__x000D_Please note that the type of the rotary button will be sent randomly, and make sure you will not mind before ordering. 1One magnetic base. A magnetic stand that uses a switchable permanent magnet for convenient mounting onto metal surfaces. 2It can used for dial indicator and lever dial indicator,etc 3Designed with three joints. The arm can be locked in any position using the tightening knob. 4Easy using for metalwork pieces. The red adjustable magnetic base holder has high stability, it will be your ideal tool in the measurement of accuracy work?piece field 5There is On/Off switch on the base. Useful for holding dial indicators or test indicators during alignment operations.