Tensei Knives Upcycled used knives Second-hand revived with care for a new life DISCOVER TENSEI About me I started as a professional knife sharpener in 2020 and have now focused my craft on woodworking and upcycling. READ MORE Services Here are some of the services I offer Knife repairI offer all sorts of repair services, whether it's a damaged edge or broken tip. Custom handleNeed for a new handle for your favourite Japanese knife? I make Western handles in addition to octagonal and d-shaped handles, custom fitted to the shape of your knife. Whetstone sharpeningWith a series of Japanese whetstones, I may thin, resharpen and polish your knife. Custom sayaNot only practical, a custom saya is an elegant addition to your knife. I make saya in Nordic wood, such as walnut, elm and oak.