Professional U Bolts and plates for commercial or occasional use Suitable for twin / double parabolic leaf springs Suitable for Ifor Williams Trailers This listing consists of 4 large U Bolts and 2 base plate BASE PLATE Professional U bolt plate for commercial or occasional use U bolt plate suitable for both single and twin leaf springs Base clamp for securing the parabolic leaf spring to trailers Suitable for Ifor Williams trailers Ifor Williams equivalent part number C31270 Can also be used for other purposes as well as for holding leaf springs Cast construction for strength and durability SPECIFIC DIMENSIONS OF THE BASE PLATE / CLAMP - Plate Dimensions 100mm x 100mm - Hole Centres - 65mm - Diameter of the holes - 15mm - Plate thickness - 14mm - Pack size 2pc U BOLTS Professional U Bolt for commercial or occasional use Large U Bolts suitable for twin / double parabolic Ifor Williams leaf springs High tensile U bolts suitable for higher load and more critical areas Comes complete with nyloc nuts This listing is suitable for Ifor Williams with twin / double parabolic leaf springs SPECIFICATIONS OF THE U BOLTS - TOTAL HEIGHT - (this is an internal measurement of the U Bolt to the end of the thread) - 140mm - TOTAL WIDTH - 55mm - TOTAL THREAD LENGTH - 60mm - THREAD SIZE - M12 - HEIGHT FROM THE TOP TO BOTTOM - 150mm PACK SIZE - 4 x Large U Bolts with Nyloc nuts - 2 x base plate