CST Berger Magnetic Locator 19 200SC 15 Foot Depth MagnaTrak 200 (Digital LCD Screen Power Line Indication Ferrous Metal Surveying Utility Finding) Welding Precision 6 Point Alignment: Optimized geometric Precision 6 Point Alignment: Optimized geometric wall contours shift driving pressure points away from sharp corners you can use the massive 24 inch length of the bar as a powerful lever to muscle the warped wood back into a straight position Ergonomic One Handed Operation: Formed layout integrates sensitivity and volume controls directly onto the handle and cast iron pipeline paths down to 15 feet before mechanical digging begins