40-6637 the Johnson 40-6780 One Sided Line Laser Detector senses the pulsating light emitted by the laser and quickly and accurately locates the beam even when it is invisible to the human eye
This leak detection tool uses contact rods attached to a piezoelectric sensor and amplifier to connect to water line fixtures so the construction professional can listen for the sound of unwanted water flows
The Keson "SNR Professional" Steel Housing Steel Long Tape uses rivets to reinforce it
The head is flat and has 5/8 x 11 threading that accepts attachment of most equipment
JLT 5-Dot Self-Leveling Laser w/ Optional Magnetic Target bundle-product-STA39324- 40-6637 the Johnson 40-6780 OneWith its five point plumb laser, the Johnson JLT 5 Dot Self Leveling Laser can project up, down, forward, left and right. Depending on the application needed the beams can be activated two, three or all five at the same time. It can be used on a wide range of indoor and outdoor applications such as setting foundations and footings, alignment of concrete forms, layout of interior walls, room additions partition and many more. This Johnson JLT 5 Dot