There are also 10 custom scales
Various video tutorials are available here (in five different sections) to give guidance how to use this calculator's main functions
PG1825ALV: Keson 25 Feet Automatic Lock Short Tape
that works in wet conditions (even underwater)
and a 2mm bold string for higher traffic areas and outdoors
27-KS100HV-4T Rotary Laser Complete Kit w/Tripod & Grade Rod (10ths) 11316EVS There are also 10 customKeep it simple with the KS 100HV 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 Rotor Housing