About This Indicator holding power: 176lbs. pull. With On/Off switch Stem flexes almost 360 Degree, Stem components are hardened for rugged use. Quick locking collar-makes stem go rigid. Can hold both precision indicators and test indicators Strong Magnetic Pull: Offers 176 lbs of holding power, ensuring indicators stay firmly in place during measurements. Versatile Flexibility: Features a stem that flexes almost 360°, allowing for precise positioning in hard-to-reach areas. Durable Construction: Stem components are hardened for rugged use, enhancing the tool's longevity and reliability. On/Off Lever Control: Facilitates easy attachment and detachment from metallic surfaces, adding convenience and safety. Quick Locking Collar: Enables the stem to go rigid, securing the indicator's position for accurate readings. Overview Material : manganese_steel Brand : Accusize Industrial Tools Color : Black Shape : Round Number of Pieces : 1