Genuine Unistrut P1834 Channel Trolley Track Intermediate Support Hanger Bracket
All Unistrut Trolleys will fit inside 1-5/8" wide Unistrut channel with a minimum strut channel depth of 1-5/8". For use with All 158 Series Strut Channels. Requires 38 x 212 Bolt and 38 Nut NOT Included.