Specification Brand : Yuecoom BulletPoint1 : Superior Aluminum Alloy Construction: Dial test indicator holder bar is meticulously crafted from high-quality aluminum alloy, providing outstanding strength and long-lasting stability during prolonged use. BulletPoint2 : Enhanced Stability with Square Bar Design: Featuring a robust square bar structure, Height gauge bar ensures superior rigidity and gripping power, maintaining the stability of your measuring tool for precise and reliable measurements. BulletPoint3 : Versatile Clamping Capability: With 6mm and 8mm clamping holes, sleeve swivel clamp holder bar is designed to accommodate a variety of measuring tool diameters, offering enhanced versatility for a wide range of applications. BulletPoint4 : User-Friendly Operation: Height gauge adaptor holder arm is designed for ease of use, allowing for straightforward installation and quick fixation and clamping of dial test indicators, which significantly boosts work efficiency. BulletPoint5 : Optimal Dimensions for Accuracy: Measuring approximately 150mm in length, with a holder handle diameter of 9x9mm and clamping hole diameters of 6mm and 8mm, dial test indicator extension rod holder clamp is ideally sized for precise and accurate measurements in various tasks. ItemName : Yuecoom Dial Test Indicator Holder Bar Aluminum Alloy High Strength Portable Efficient 9 X 9 X 150mm Sleeve Swivel Clamp ItemPackageDimensions_Height : 3 centimeters ItemPackageDimensions_Length : 16 centimeters ItemPackageDimensions_Width : 5 centimeters ItemTypeKeyword : dial-indicators Manufacturer : Yuecoom ModelNumber : Yuecoome7bdfrqg6h PartNumber : Yuecoome7bdfrqg6h ProductDescription : Item Type: Dial Indicator Extension Rod Holder Clamp Material: Aluminum Alloy Length: Approx. 150mm / 5.91in Holder Handle Diameter: Approx. 9 x 9mm / 0.35 x 0.35in Clamping Hole Diameter: Approx. 6mm / 0.24in and 8mm / 0.31in