wharstm caster wheels, 3" locking swivel casters set of 4, 3/8"-16 x 1" (screw diameter 3/8", screw length 1") casters, rubber casters with 360 degree no noise castor wheels, stem casters with brake wharstm <b>brand name</b>: wharstm<br><b>caster style</b>: screw stem casters<br><b>screw size</b>: 3/8”-16*1” <br><b>wheel size</b>: 3 inch<br><b>wheel color</b>: gray<br><b>material</b>: rubber and steel<br><b>load bearing</b>: 150 pounds (each)<br><b>total load capacity</b>: 450 pounds (counting of 3)<br><br><b>package includes</b>:<br>4 x caster wheels<br>4 x screw nuts (flange nuts)<br>4 x spring washers<br>1 x miniature wrench<br><br><b>features</b>: <br>with brake casters, environmentally friendly materials, silent, no traces, no damage to the ground,easy to install, versatile, safe and labor-saving<br><br><b> please note <b>: <br><b> screw specifications: 3/8”-16*1” : screw diameter 3/8 inch (0.9525cm), screw length 1 inch (2.54cm) <b> <br><b> screw specifications: 3/8”-16*1” : screw diameter 3/8 inch (0.9525cm), screw length 1 inch (2.54cm) <b> <br><b> screw specifications: 3/8”-16*1” : screw diameter 3/8 inch (0.9525cm), screw length 1 inch (2.54cm) <b> <br><br><b>please confirm the screw specifications before buying<b><br>