Case and base - High-resistance polyamide based (PA) technopolymer. The base is ultrasonically welded to give more strength and avoid dust penetration. Resistant to solvents, oils, greases and other chemical agents.
Window -- Transparent polyamide based (PA-T) technopolymer. The snap connection with slight interference between the magnifying window and the case avoids dust penetration. Resistant to solvents, oils, greases and other chemical agents (avoid contact with alcohol during cleaning operations).
Assembly - Black-oxide steel bushing with ¥ 20 mm H7 reamed hole, fitting to shaft by means of a grub screw with hexagon socket and cup end, according to UNI 5929-85, supplied assembled.