Stainless steel u bolt with two counter plates. These U bolts have an oversized head bend giving extra strength in this region. They are supplied with 2 plates: For marine use this allows one plate above deck and another plate below the deck, spreading the load placed on the mounting area. For other uses such as industrial, the plate can help to spread the load, or discard the plate when not required. They are manufactured in marine grade 316 stainless. A very large rance of sizes available. M4 at 30mm hole centres, M5 at 48mm hole centres, M6 at 42mm hole centres, M8 at 40mm hole centres, M8 at 52mm hole centres, M10 at 35mm hole centres, M10 at 55mm hole centres, M10 at 80mm hole centres, M12 at 65mm hole centres, M12 at 85mm hole centres.