HI 48 Teeth Pulley w/bearings (closest to the dust cover) Pro Machines They are sold separately and

They are sold separately and are designed to mount onto Velcro drivers

HI 61 TOOTH PULLEY CLOSEST TO THE DUST COVER (HEAVY DUTY)

Perfect for wet or dry applications

the SL machine is full of torque and performs best on low speed application surfaces

The Low Speed OF16S-L is a multi purpose machine designed to resurface decks

HI 48 Teeth Pulley w/bearings (closest to the dust cover) Pro Machines They are sold separately andThe HI 48 Teeth Pulley with bearing assembly fits the OF16S L, OF16S H, and the OF16 Pro machine. It also fits the original OF20S L, OF20 S H, OF20 Pro series machines built before April 2015. This pulley has a profile of HTD 1. 5mm and has 48 teeth. The inside diameter is 3 8''.