Aerocreeper Replacement 3 Caster Standard

3 x 1 ball-bearing caster with TPR (rubber) tread rated at 120 lb. dynamic load per caster. Replacement for original casters on AeroCreeper.
This caster has a 1/2" diameter stem. To replace casters with 3/8" stem (pre-Oct 2018 models), the holes will need to be enlarged.