USE Removable seal for inspecting pits made of concrete or other material with finish matching the surrounding pavement. Complete with TTQST 8 × 110 bolts.

EXAMPLE porphyry, tiles, wood, carpeting, concrete, etc.

LIFTING lifting system with central screw

FRAME 10/10 thick metal sheet up to S2L 353, 15/10 thick for all other sizes

FRAME “L” shaped 10/10 thick profile

SURFACE TREATMENT Cold-rolled pre-galvanized frame according to UNI 4721 standards