4" Polyolefin Wheel With 1 5/8" Expanding Stem Swivel Caster With Top Lock Brake For Work Table

4" Polyolefin Wheel • Resistant to Chemicals & Solvents • Temperature Range -45° to 180°F • Fit 1-5/8" Tubing by Expanding the Stem Creating a Secure Fit • Double Ball Bearing Raceway for Long Wear and Added Strength • Zinc Plated • Raceway Dust Cover • Thread Covered Not On Solid Wheels • 300 LBS Capacity • Top Lock Brake (DROP SHIPS - NOT AVAILABLE IN STORE)