65Mn Impulse hardened teeth Dynamic teeth set 1.Precision ground teeth2.Strong plastic grip3.durable and ruse preventing4.Other color for choice5.Excellent quality,competitive price,fresh style, convenient to use6.Available teeth type:universal cut/cross cut7.Available blade size:350mm/400mm/450/500mm/550mmWe can produce as clent's request hand tools,hand saw,pruning saw,gardensaw