15-1021GR18KIT 18oz Plumb Bob / 12' Gammon Reel Contractor Kit 8560 and conveyor surfaces using a

and conveyor surfaces using a tightly controlled beam of light

The bar graph fills to the left (negative) or right (positive) depending on the signal polarity—also

With its 3/8 x 16 thread

The receiver maintains accuracy of 5/128" in "Fine" mode

15-1021GR18KIT 18oz Plumb Bob / 12' Gammon Reel Contractor Kit 8560 and conveyor surfaces using aThe Gammon Reel kits are ideal for the contractor. Leather sheath keeps your plumb bob and Gammon Reel handy at your side. 18 oz (510 g) Brass construction plumb bob and 12 ft (3. 6m) plumb line real for construction Riveted and stitched in heavy duty nylon thread for extra strength and durability Snap button straps secure plumb bob and Gammon Reel in pockets Slits for up to 3 in belt insertion