Shepherd Hardware 8734E 8" Zero Maintenance Flat Free Gate Caster

8 inch diameter black foam filled Flat Free tire on steel hub with 360 degree swivel and universal mount. Universal 3 3/4 inch x 5 1/2 inch mounting plate has 7 various bolt holes and offers 2 1/2 inches of vertical spring travel. Spring-loaded design promotes easy open and close and eliminates gate sag over time and across uneven surfaces. Oversized Flat Free tire promotes easy rolling over rough terrain and maintains shape season-to-season.