Made of carbide tipped metal material,very durable.
Suitable for drilling walls, hollow brick to operate air conditioning holes, pipe holes and so on.
High-frequency welding technology, welding openings is very strong, smooth inside and outside welding mouth, precision engage, appearance.
Mould-resistant (BioBlock® Technology).
Grouted areas are quickly ready for use.
Water-repellent and easy to clean (DropEffect® technology).
Anti-efflorescence for uniform colour.
Wide range of colours.
It is designed optimally to be strong, light and safe for usage. Since the manholes are made with a complete understanding of the end-use, it assure these are easy to install, more accessible, higher strength, higher durability, easy handling and are cost-effective
The wrench of chrome-vanadium steel with matte chromium nickel plating. Hardness of the working part material - 45 HRc The ring opening profile has 12 planes which increases the contact area of the working surfaces and reduces risk of deformation of the fixture planes during mounting.