Topcon DB-74 Alkaline Battery Holder for RL-H4C & RL-SV2S Lasers | 313680403 TS56692 The Calculated Industries Construction Master

The Calculated Industries Construction Master Pro Trig Calculator has all the features of a desktop construction-math calculator in a handheld device

Allowing for faster and easier readings without the need for loosening and tightening the detector everytime it needs to be moved

reviewing of calculations become more efficient

It has three

080-inch black powder-coated aluminum sheet metal

Topcon DB-74 Alkaline Battery Holder for RL-H4C & RL-SV2S Lasers | 313680403 TS56692 The Calculated Industries Construction MasterThe BD 74 Alkaline Battery Holder for Topcon RL H4C and RL SV2S Laser is a good replacement accessory that can hold four D cell alkaline batteries to power the Topcon RL H4C rotary laser and RL SV2S grade laser. This battery holder is made of durable plastic with black and yellow finish to fit the lasers overall color. Plus, it comes with a knob which enables surveyors to lock the holder to the laser and secure the batteries.