The marking tips can be used with a soldering iron to burn drawings, lettering and creating decorative patterns on wood, leather and cork etc. Friendly material with unique design and exquisite workmanship, which brings you great soldering experience. Each head is made from hardened metal to ensure a long usage life This set includes 23 different brass tips to help you create wonderful designs.11 pcs x Carving tool tips;9 pcs x Special engraving tips;3pcs x Electric carving tool. Perfect for users of all skill levels: great for woodworking, soldering, metal work, hobby, craft, home, etc, help you enjoy soldering 100% SATISFACTION GUARANTEE-- If there is any quality problem of our product or you are not happy with your purchase in our store, please kindly contact us and we are always ready to help.