Girder coupler (also know as gravlok) are used in pairs for right angle clamping of scaffolding tube with a 48.3mm outside diameter to steel beam up to 45mm thick.

It is important to note these couplers must be used in pairs as supplied.

SWL: 600 Kg

Tube Diameter: 48 to 51mm

By bags,carton box,or as your request

All of our scaffold fittings are of the highest quality and are available in large quantities,please feel free to contact with us