Microtector® gage kit includes everything needed:

Microtector® Gage – A Durablock® solid, precision machined acrylic plastic body, mounted on heavy, 1/2" thick steel base, 3-point base mounting has two leveling screws and level vial for quick setup.
Gage Meter – Sensitive 0-50 microamp D.C. meter acts as detector. Powered by 1-1/2 volt penlight cell (included). No external power needed. Meter also indicates battery and hook probe condition.
Electronic Circuitry – Solid state integrated circuit electronic components are mounted on glass epoxy board enclosed in a molded styrene acrylonitrile compartment for protection. A.C. Detector current eliminates hook plating.
Micrometer – Adjusts point with precision. Complies with Federal Specification GGG-C-105C and is traceable to a master at the NIST.
Dwyer® Gage Fluid - 3/4 oz. Non-toxic concentrate of fluorescein green color, wetting agent and distilled water. Use with distilled water.
Accessories – Two 3-foot lengths of tygon tubing, two 1/8" pipe thread adapters, micrometer wrench and crocus cloth for cleaning point.
Carrying Case-Cover – Rugged sheet steel, gray finish. Carrying handle and latches. Complete instructions included.