Unistrut P1001T 1-5/8'' by 3-1/4'' 12 gauge slotted back-to-back channel, several finishes and lengths avaialble SKU (Select from menu(s) below for Price & Part #) P1001T 5 GR, P1001T 10 GR, P1001T 20 GR, P1001T 5 PG, P1001T 10 PG, P1001T 20 PG, P1001T