Blue steel engineers provides pencil durometers [model shr-a-pen]. These pencil durometers are rubber hardness testers used for testing identification hardness of soft vulcanised rubber and other electrometric materials. These rubber hardness testers are mostly suitable for testing in areas inaccessible to a conventional dial type durometers. They have 0 to 100 shore-a nos on a vernier scale graduated in steps of five with interpolation of two points attainable with normal vision. Some of the technical specifications includes: truncated cone indentor, vernier scale graduated in steps of 5 with visual interpolation to 2shore points, packing in a wooden box, dimensions of 12.5 mm dia 114 long, and net weight 60 gms.
