Fuperoo 4 Wheel Trolley Assembly Rollers.Bearing Trolley Assembly.The top of The Trolley has Room for Set Screws, Allowing The use of a 1-5/8" high Strut Channel or Higher Metal Strut Channel.

Features

• Quantity: 2PCS.Maximum Load ：900lbs/1PCS
• Hoist Roller Trolley leaves a 7mm space at the top, the fixing screw can be installed inside the strut channel and will not affect the trolley sliding back and forth. No higher strut channel and Track Hanger Bracket are needed, saving the cost of the whole system.
• Trolley assembly for use With P1000, P1001 , P5000, P5001, P5500, P5501 and All 1-5/8" or Taller Strut Channel
• Quality of unistrut rollers: made of Q235 alloy steel, galvanized process. Adopt rubber ring seal bearing, with good sealing and long service life. Solid steel pin, with super load bearing capacity, safe and reliable.
• The B-4Wheel Trolley is available in one-piece, two-piece and four-piece packages. Go to the store for more styles of strut channel trolley