38mm Steel expanding plug with 5mm bypass 38-40 mm Range Insize Caliper Type Micrometer 0-25mm Range Series 3238-25 Whether you are working with

Whether you are working with steel or other alloys

Allows water to flow while sealing when not in use

Measurement Modes: Absolute and incremental measurement

making it easier and faster to transfer measurement data from digital instruments directly to a computer

Clear torque graduation scale for accurate setting

38mm Steel expanding plug with 5mm bypass 38-40 mm Range Insize Caliper Type Micrometer 0-25mm Range Series 3238-25 Whether you are working withSteel Mechanical Test Plug 38 mm Each Steel Drain Test Plug expands to suit a variety of dimensions within its range. Effective sealing is simple. Steel Test Plugs and Stoppers merely need inserting into a pipe or other opening and the brass wing nut to be turned clockwise. The rubber ring will expand and provide a positive seal. Tightening of the wing nuts are simple with the use of friction free washers. Sizes range from 1. 5" to 36" (38 to 900 mm)