Stainless Steel Ball Pressure Apparatus is used to test insulation materials used in electrical appliances, electrical wiring accessories, luminaries, motors, connectors, etc. Stainless Steel Ball Pressure Apparatus is manufactured by Lumetronics. Lumetronics also manufactures wide range of precision custom built test and measuring equipments for various types of product testing applications. The Stainless Steel Ball Pressure Apparatus, Model BP-20, has Magnifier with built in scale for measuring the impression of the steel ball precisely. This Apparatus has overall dimension of 270 mm W X 55 mm D X 125 mm H. This Apparatus is available with compact carrying case.