Check the listing for details. Pipe Centre Locator Safety Pipe Centre Marking Ruler Pipe Center Finder. Condition: New. Listed at 49.99 USD. Pipe Centre Locator Safety Pipe Centre Marking Ruler Pipe Center Finder Features: 1: It can be wrapped around the pipe for measurement and marking. Easy to use, it is a must-have for sleeve fitters and welders. 2: Used to set the centerline, establish angles/markings for butt joints, and locate points within pipelines/tanks. 3: You can push the center pillar down to the anchor point as needed. Can measure tanks or pipelines with a diameter of at least 1/2 inch or larger. 4: This safety tube center detector has a 4-inch Y-shaped base and an adjustable dial bubble protractor (DSL): To determine the liquid level, the green liquid bubble needs to be located between the two lines on the protractor. Note: When determining the angle, regardless of the angle, the green bubble should be in the horizontal position. Specifications: Material:+Hard alloy steel Packaging size: 160 * 110 * 40mm/6.30 * 4.33 * 1.57 inches Packaging weight: 320 grams/11.29 ounces Easy to operate: Step 1 Use the included hex wrench to loosen or tighten the hex nut. Step 2 Place the pipeline marking tool on the pipeline and find the desired angle. Step 3. Push the center pillar down to the fixed point position. Step 4. Strike with a hammer to leave a fixed point mark on the pipeline. Material: Metal The set includes: 1 * Angle locator