Groups of 2 to 6 sheaves in 3 diameters of 40, 50 and 60 mm.
The 40 and 50 mm sheaves are manufactured in high-strength resin with a double side ball bearing. The 60 mm sheave is manufactured in aluminium, hard black anodized, with a main composite fibre bearing and 2 side ball bearings.
These new organizers do not disassemble after tacking off the screws.
Double version also available, just add /D to the model number.