Product Description Hobson Engineering 279pc Metric Fine Bolt Assortment grab Kit FEFK004 Must have kit for any tradesmen’s workshop, this kit contains 513pcs in total and comes in a heavy-duty metal assortment case. Ideal for any workshop or service vehicle Features 279 Pieces M8 to m12 Bolt & Nuts Length from 20mm to 50mm M8, M10, M12 diameter Bolts Metric Fine Thread pitch Class 8.8 High tensile Steel Zinc Plated FEFK004