Pls keep away with children as these are sharp chisel carving tools Suggest use for soft stone,like limestone,slate, alabaste, talcoid,calcite,fluorite,also could be used for wood and plastic Do not suggest use for steel and any metal material or hard stone Material: the head blades are made of hard tungsten steel and handle made of carbon steel Tungsten steel have higher hardness than carbon steel But have low toughness, easy to be crack when drop on floor or tiles, so pls be careful to use and stock The tips of the tools are weld on,not complete whole tools,so could not do heavy duty work Packed with nice brown leather bag,easy to carry Useful carving tool kit for craftmen. Stone graver,great for both beginners and professional graver Include 8pcs chisel tools with following size: 1pcs width 3mm flat knife 1pcs width 5mm flat knife 1pcs width 8mm flat knife 1pcs width 10mm flat knife 1pcs 5mm round knife 1pcs 5mm single side flat knife 1pcs 5mm bolique head knife 1pcs tip knife Package include: 8pcs DGOL chisel carving tool with different function in nice leather pouch bagPACKED WITH SOFT BROWN LEATHER BAG. LENGTH: EACH TOOL HAVE DIFFERENT SIZE WIDTH,AND LENGTH ARE THE SAME,THEY ARE 5.9"(150MM), USEFUL CARVING TOOL KIT FOR CRAFTMEN,STONE GRAVER,GREAT FOR BOTH BEGINNERS AND PROFESSIONAL GRAVER. TUNGSTEN STEEL HAVE HIGHER HARDNESS THAN MOST OTHER TYPE STEEL, BUT HAVE LOW TOUGHNESS, EASY TO BE CRACK WHEN DROP ON FLOOR OR TILES, PLS BE CAREFUL TO USE AND STOCK. INCLUDE 8 PCS STRONG HEAVY CARVING CHISEL TOOLS WITH DIFFERENT FUNCTION,MATERIAL: THE HEAD BLADES ARE MADE OF HARD TUNGSTEN STEEL,HANDLE MADE OF CARBON STEEL,TUNGSTEN STEEL POSSESS GOOD HARDNESS,THIS IS ONE OF THE BEST MATERIAL TO MAKE CHISEL. SUGGEST USE THIS SET FOR SOFT STONE,LIKE LIMESTON,SLATE,ALABASTE,TALCOID,CALCITE,FLUORITE,ALSO COULD USED ON WOOD,PLASTIC,DO NO SUGGEST USE ON STEEL OR ANY METAL MATERIAL.Blade Material: Metal. Handle Material: Plastic. Brand: DGOL. Date First Available: March 18, 2019. Best Sellers Rank: #109,960 in Tools & Home Improvement. Customer Reviews: 4.3 4.3 out of 5 stars 294 ratings 4.3 out of 5 stars. : B07PTQ3CL6. Batteries Required?: ?No. Batteries Included?: ?No. Handle Material: ?Plastic. Material: ?Tungsten steel and carbon steel. Item model number: ?DGOL-AT102. Package Dimensions: ?8.74 x 2.44 x 1.73 inches. Item Weight: ?15.2 ounces. Part Number: ?DGOL-AT102. Manufacturer: ?DGOL.