Universal plumb bob setter with commercial-grade 14 oz. bobSetting pin for wood and drywall surfaces, strong magnet for steel framesAdjustable hook ratchets to cinch onto beams or hook onto nails or studsBraided nylon line extends and holds at lengths up to 14 ft., retracts into case automaticallyInternal "flush pin" for zero distance measurements with plumb line flush with plumb bob features a quick-stabilizing cap that reduces bob wobble and also features embedded elastomer side bumpers and a thick tip guardAdjustable for bobs weighing from 3.5 oz to 35 oz.