9441 : - Appliance caster.-Easily moves refrigerators, freezers, dryers, and extra labored appliances.-Simply remove longtime glides or levelers, screw appliance caster into rib sockets.-Provided with 4 jam nuts for gentle alignment and height adjustment.-Not recommended for vinyl floors.-5 / 16 '' Stem, 18 threads per inch.-7 / 8 '' White treble wheel.-4 Per card. Color/Finish : - : Chrome. : - Split 4 wheel design permits easier steering. : - Dimensions : 7.63 '' H x 4.88 '' W x 2.38 '' D. .