This article deals with the functional attribution of Early Iron Age woodworking tools from the Altai and adjacent areas. Finds come from burials, settlements, and hoards; some are random. The attribution was based on the analysis of traces left by tools on the surfaces ofwooden items. The methods were both traditional and special (use-wear, typological, and experimental), enabling one to reconstruct the function of the tool, manufacturing technique, organization of the manufacturing process, technology, and, to some extent, skill. The totality of data suggests that tools were of several types: metal ones used for chopping (celts, axes, and adzes), wooden ones used for striking (hammers, mallets, and mauls), universal cutting and shaving tools (knives of various sizes and profiles), striking and cutting combined tools (chisels), cutting and boring tools (flat drills, reamers, and awls). Results of use-wear analysis in terms of operations (chopping, shaving, and cleavage) suggest that since the Early Bronze Age, three types of processing surfaces with chopping tools have been used: butting, cutting with the grain, and cutting across the grain. Factors affecting efficiency and accuracy of woodworking are discussed.