Medium duty 3 4 5 Inch top plate pp core gray pp swivel locking caster wheels for trolleys
Housing:
Made of zinc plated pressed steel,
Double ballrace
Wheel:
Materials:PP
Temperature range:-15℃~80℃
Single ball bearing with dust cover for protection
Nylon Type is available.
Feature:
- Gray PP wheels, harder and roll easier.
- Wildly use in all kind of trolleys.
- Other color is available.
- Nylon material welcome.