- Slips over leg bottoms, no need for threaded insert
- 304 stainless steel boot
- Silicone sleeve insert to secure on leg
- Zinc coated threaded stem on caster
- High-quality polypropylene wheels
- Dual ball bearing wheels
Note: If you want to put a stainless shelf on your 7 gal Chronical, you need to buy leg extensions which have a 3/8” threaded insert on the leg bottom and you will want to buy the threaded 3/8” stem type casters.
Do not buy these casters if you want to buy the shelf for your unit.