Two New Heavy Duty Smooth Tires commonly used on Zero Turn Mowers W Tubes Standard Rubber Straight Stem 

Designed no tread design for minimum turf damage. 

Used on front swivel casters on professional zero turn mowers.

TECHNICAL SPECIFICATIONS
Outside Diameter ( in ):  10.9
Section Width ( in ):  4
Rim Width ( in ):  3
PSI:  46
Max Load ( lbs ):  325
Weight ( lbs ):  3