Confezione 4 Ruote Carrello Montaggio Carrello Rullo Carrello M10 Bullone per Uso con1-5/8
4 Wheel Trolley Assembly, Stable Welded Roller Trolley M10 Bolt for use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel. It features a solid bearing steel pin shaft in the strut channel as well.