G23778A - (Pkg 2) 47mm OD Pulley x with 8mm Diameter Hole

Black plastic pulley can also be used as a wheel for a robot! 47mm (1.85") outer diameter. Inner diameter is 43mm (1.69"). Outside of pulley is 14mm (0.55") wide. Inside width is 12.25mm (0.48"). Has about a 2mm (0.787") ridge. Inner hole is 8mm (0.314") diameter and is 24mm (0.945") wide.