A6D16 Series 0.080-pitch aluminum MXL timing-belt pulleys for 1/4-in. belts use a Fairloc integral hub-fastening design that eliminates conventional separate hub clamps.

Hey, I'm Nate from Design Squad. We got in a question to the website from berl88, who wanted to know, "How do you make a pulley?" A pulley is a way to use a wheel for lifting.