The 18mm version includes stainless steel ball bearings with central path and integrated stainless steel rivet, optimizing the weight resistance ratio. - CARBO T2 pulleys with transfilagela version 18 mm includes stainless steel ball bearings with central path and integrated stainless steel rivet, optimizing the weight resistance ratio. On all T2 models, the fixing by transfilage passes through the center which collects the loads, reducing the constraints exerted on the cheeks and securing the system. These pulleys can be used for setting trolleys, listenings of high doors or bargains, the creation of stored palans or goose legs and any other system imposing the use of light pulleys. Or double, T2 pulleys can be fixed by transfilage tied or epissed to almost any element. The head of the double pulleys incorporates a guide in composite materials which spreads the rope to the outside to guarantee a good alignment. These pulleys are delivered with a Spectra® sheathed rope of Polyester.delrin is a registered trademark of E. I. From the Pont de Nemours or its affiliated companies. Dyneema is a registered trademark of DSM dyneema.spectra is a registered trademark of Honeywell International, .