uxcell 5 Pcs Plastic 29mm Diameter 6mm Thickness DIY Gear Band Pulley Blue<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Country of Manufacture: CHINA; Material: Plastic</li><li>Net Weight: 10g; Package Content: 5 x Rubber Band Pulley</li><li>Main Color: Blue; Product Name: Band Pulley</li><li>Fit Rubber Band Width: 4mm(0.16"); Size: 29mm x 6mm/1.14" x 0.24"(D*T)</li><li>Fit Shaft Dia: 4mm(0.16")</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ES164rIUL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31kobhQ3cLL.jpg" noproxy>