Universal plumb bob setter with commercial-grade 14-ounce bob Setting pin for wood and drywall surfaces, strong magnet for steel frames Adjustable hook ratchets to cinch onto beams or hook onto nails or studs Braided nylon line extends and holds at lengths up to 14-1/2 feet, and retracts into its case automatically Internal flush pin for zero distance measurements with plumb line flush with surface, Weight: 1.4991433816 Pounds, Manufacturer: Tajima