Wheel Hard Plastic, Treaded with 7 Pin Holes, Inner Ring (37mm D. x 22mm)

Reference

1148

Wheel Hard Plastic, Treaded with 7 Pin Holes, Inner Ring (37mm D. x 22mm) (part 1148) is a LEGO element. It appears in 4 sets, including Mars Mission Science Kit and Mr. Oz's Space Car. It has been produced in 2 different colors.