The largest wheels we've ever seen! Wheel is made from tough ABS plastic. Tire is made from durable rubber. Soda can shown for size comparison only (not included.) Has four mounting holes for use with the various hubs, shafts, and other items with the same hole pattern sold in other sections on this site. Please choose your desired wheel size (x 1/4" thick), below. 1 Each Monster Wheels (abs) SASMWS$9.99Diameter: No-Preference6"7"(+2.00)8"(+3.00)9"(+4.00)10"(+5.00) Copyright © 2003-2009 E-Clec-Tech. All rights reserved. All other materials and logos are copyrighted by their respective owners, or companies.