350 UNIT U-BOLT 1/2" + N°4 M6 nuts and washers 42CRMO4 350 UNIT U-BOLT 3/4" + N°4 M6 nuts and washers 42CRMO4 200 UNIT U-BOLT 1" + N°4 M8 nuts and washers 42CRMO4 200 UNIT U-BOLT 1 1/2" + N°4 M10 nuts and washers 42CRMO4