Full double ball hardened raceways for better performance and greater durability
3/8" hollow axle with lock nut
Grease holes on wheel bearing for greater convenience
"Colson 45" multi-temp grease lubricates in extreme hot and cold temperatures
Colson modular stem casters feature a 1/2" hollow rivet which will accept a wide variety of mounting stems (even a standard 1/2" bolt will work). You can supply the mounting fasteners or stems – we supply the casters.