This is the Du-Bro 500TL 5 Dia Treaded Lightweight Wheel 1

DU-BRO® Large Scale Treaded Lightweight wheels feature a foam interior yet have a tough and rugged exterior skin for durability. Excellent for paved runways!

Hubs come with a 3/16" (5 mm) axle dia. opening and can be drilled out to 1/4" (6.35 mm). The #700TL and #800TL have a 1/4" (6.35 mm) axle dia. and can be drilled out to 3/8" (9.54 mm).

1 wheel/pkg. (not sold in pairs)

TESTED ON AIRCRAFT UP TO 50 POUNDS (22 KG)

Features:

• Lightweight
• Shock absorbing
• Fuel resistant
• Built extremely tough

These also have many more applications in school projects and various crafts.

500TL - 5.00" (127 mm) Axle Diameter: 3/16" (5 mm)