The PLT-1000A have many applications in the primary metals, metal fabrication, utilities, and petroleum, chemical, automotive and aerospace industries. Their small size and easy to use, one-handed operation makes them ideal for testing large and heavy forgings or castings, such as steel mill rolls and turbine housings. Also, due to their small size and portability, the testers can be used to test individual parts of a large assembly without taking the finished assembly apart. The testers can be used vertically or horizontally, and require only a small surface area to obtain a quick and accurate reading. These versatile testers can be easily used by anyone, anywhere, to obtain direct accurate hardness readings. Standard Accessories included are: -PLT-1000A Hardness Tester -Standard Test Block -Support Ring .79”(20mm) -Support Ring .53”(13mm) -Plastic Carrying Case -Tube Cleaning Brush -CR_2330 Lithium Batteries (2) -Operating Manual