If you need a green beam pipe laser for 4' pipe applications
WB250: Keson 250 Feet White Braided Nylon Mason Twine
Each comes with a different color and length that suits any marking or leveling task
it takes smooth readings in fine modes
27-KS100HVG-4T Green Beam Rotary Laser Complete Kit w/Tripod & Grade Rod (10ths) TS29444 If you need a greenKeep it simple with the KS 100HVG green beam horizontal and vertical electronic self leveling rotary laser for precise leveling applications, Ideal for indoor and outdoor use: leveling, checking elevations, concrete forms, footings, foundations; estimating cut and fill; manual slope; installation of decks, pools, partitions and walls; drop ceilings, floors; excavating, digging footings, septic systems. Simple button operation, easy to use. Enclosed