Aluminium V Pulley to suit 13mm - A Section V Belts - SPA Belts can be used on larger sizes 

Pitch diameters from 50mm up to 95mm = nominal outside diameters of 2.25" up to 4.0"
Bored pulleys have a set screw fitted in the boss
Other sizes are available

These items are stocked part finished (unbored / pilot bored) and are machined to order and dispatched within 5 working days following payment