Two solid magnet surfaces with on/off control can provide a maximum tensile force of 176lbs (176lbs tensile force requires a metal working surface/surface with a thickness of 1.2"/30mm and above). Please tight en up the adjusting knob before using to get the powerful and stable magnet Flexible, sturdy, precise rotary joint, can adjust any direction and position, high stability Dimensions of 2 arms: lower arm 5"; upper arm 4.5"; total height 14.1 inches The clamping hole diameter of 3/8inch/9.52mm is perfect for conventional dial indicators or lever dial test indicators, making it easy to use with your existing tools. Our Magnetic Base Stand is compatible with most dial indicators or lever dial test indicators on the market, making it a versatile tool for any professional or DIY project. Overview:
Magnetic watch holder is the support of dial indicator or dial indicator. It is widely used in all kinds of machine tools. It is also used in various scientific research institutions and universities for scientific research and measurement accuracy.

Features:
Two solid magnet surfaces with on/off control can provide a maximum tensile force of 176lbs (176lbs tensile force requires a metal working surface/surface with a thickness of 1.2"/30mm and above)
Flexible, sturdy, precise rotary joint, can adjust any direction and position, high stability
Dimensions of 2 arms: lower arm 5"; upper arm 4.5"; total height 14.1 inches
Clamping hole diameter 8.5mm (0.33"), used for conventional digital/dial indicator
Compatible with all most dials/digital indicators and other market indicators

Specifications:
Weight: 2.64 lbs (1.2 kg)
Rally: 176 lbs (80 kg)
Length: About 35 cm/14 inch
Material: Steel
Arm Adjustment: 3 joints adjustable
Arm Dimension: Lower arm 5 inch, Upper arm 4.5inch

Package Contents:
1 x Magnetic Base for Digital Dial Indicator