4" x 1-9/16" Wheel - Blickle Leveling Caster with Fixed Position Operating Lever and Integrated Truck Lock - Heavy Duty Nylon Wheel - 505 lbs Capacity
Manufactuerer Part#: HRLK-ALTH-100K

Levelling caster with integrated truck lock and top plate fitting, Heavy duty wheel with Blickle Extrathane® polyurethane tread, with aluminum wheel center.

Rig:
Made of heavy pressed steel, with heavy fork and top plate fitting, very strong bolted and secured central kingpin, double ball bearing in the swivel head, additionally reinforced by the integration of four specially shaped and hardened bearing seats resulting in a very high resistance to shock and impact loads. Steel truck lock. Height adjustment with flat spanner. Bolted wheel axle. Zinc-plated, blue-passivated, Cr6-free.
Wheels:

Tread/tire: Made of high-quality, reaction-injected polyurethane-elastomer Blickle Extrathane®, low-noise operation, low rolling resistance, good floor preservation, very high abrasion resistance, high cut and tear propagation resistance, very good chemical connection with the wheel center.

Wheel center/rim: Made of die-cast aluminum. Casted tread.

Wheel center color: Silver