4 pcs Scaffold Caster 5' 6' 8' Black/Red Wheels with Locking Brakes (8' Polyurethane Cast Iron 1-3/8' stem)

Wheel Diameter: 5'/6'/8' Tread Width: (1-1/4') / (2') / (2') Caster Wheel Material: Hard Rubber / Polyurethane / Polyurethane on Cast Iron Color: Black / Red Overall Height: (5-1/8') / (7-1/4') / (7-1/4')