Advanced Galvanizing Technology effectively prevents rust and ensure smooth surface without burr. You can upgrade all your tractor and truck hitches. The 5 hitch pin size are respectively M1x17mm(35pcs);M1.2x21mm(20pcs);M1.5x28mm(15pcs);M1.8x37mm(10pcs);M2x40mm(10pcs) ;M2.5x45mm(10pcs).
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