uxcell Office Chair 2 Inch Dia Wheel Square Plate Mount Swivel Caster 8 Pcs<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Main Material: Plastic， Metal; Package Content: 8 Pcs x Caster Wheel; Product Name: Caster Wheel</li><li>Weight: 597g; Main Color: Black， Silver Tone; Overall Size: 70 x 45 x 65 mm/2.8" x 1.77" x 2.56"(L*W*H)</li><li>Wheel Size: 50 x 12 mm/2" x 0.47"(D*T); Mounting Hole Center Distance: 26 x 26 mm/1" x 1"(L*W); Mounting Hole Dia.(Approx): 5 mm/0.2"</li><li>Shell Width(b): 37 mm/1.46"; Top Plate Size(d*e): 38 x 38 mm/ 1.5" x 1.5" (L*W)</li><li>Wheel Dia.(a): 50 mm/2"; Total Height(c): 65 mm/2.56"</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41UPkUpbUiL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41IeKlYtRfL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41AzibzvihL.jpg" noproxy>