3" swivel caster wheels with safety dual locking and polyurethane foam no noise wheels, heavy duty - 250 lbs per caster (pack of 4) homhoo <b>why choose us?</b> <br>durable and multi-uses cart function in house, factory. <br>easy maneuverability and easily assembled. <br>easy to clean wheels. <br>great for rolling work benches or tool carts. <br>all swivel caster wheels approved by sgs,bifma,reach,rohs. <br>we provide amazing affordable prices. <br>100% refund without any hesitation if they are not your most favorite. <br> <br><b>features:</b> <br>when in locked position, the swivel also locks. <br>rolls smoothly and quietly. <br>exclusive non-marking wheels for use on hardwood floor. <br> <br><b>specifications:</b> <br>top plate size: 3.74 x 2.52 inch / 95 x 64mm (l x w) <br>wheel width: 1.26inch/ 32mm <br>wheel diameter: 3 inch/ 76mm <br>mounting height: 4.09inch/ 104mm <br>special feature: lockable and swivel <br>capacity lbs: 1000 lbs (250 each) <br>bearing: double ball bearing <br> <br><b>package includes:</b> <br>4 x caster wheels <br>1 x year warranty