Westbalt

… kui kahest käest ei piisa,
luubiga: 2.5 dioptrit.

material: dual layer vinyl (white top layer / black foam bottom layer)
thickness: 2mm (white layer: 0.2mm, black layer: 1.8mm)
with grounding cord
surface resistivity: 10E9 to 10E11 ohm/m2
temperature resistance: max. 100°C (not resistant to soldering)
charge decay: < 0.03sec