1、It is made of high quality wood + iron material, strong and durable. 2、Carving knife set of four pieces, four different shapes and sizes of carving knives can meet all your needs. 3、The cutter head is very hard and will not deform during the engraving process. 4、With it, you can carve out the perfect statue. 5、This is a very good gift for the engraving lovers. Features: It is made of high quality wood + iron material, strong and durable. Carving knife set of four pieces, four different shapes and sizes of carving knives can meet all your needs. The cutter head is very hard and will not deform during the engraving process. With it, you can carve out the perfect statue. This is a very good gift for the engraving lovers. Specifications: Material: Wood + Iron Size: No.1 Suit: Anvil blade: 1.5mm/0.06inch Width Oblique knife: 2mm/0.08inch Beveled length Circular knife: 1.5mm/0.06inch Distance between two points Angle knife: 1.5mm/0.06inch Unilateral Length No.2 Suit: Anvil blade: 3mm/0.12inch Width Oblique knife: 3mm/0.12inch Beveled length Circular knife: 3mm/0.12inch Distance between two points Angle knife: 2mm/0.08inch Unilateral Length 1.5mm/0.06inch Width No.3 Suit: Anvil blade: 5.3mm/0.21inch Width Oblique knife: 5.5mm/0.22inch Beveled length Circular knife: 4mm/0.16inch Distance between two points Angle knife: 2.7mm/0.11inch Unilateral Length No.4 Suit: Anvil blade: 7mm/0.28inch Width Oblique knife: 7.1mm/0.28inch Beveled length Circular knife: 5.2mm/0.20inch Distance between two points Angle knife: 4mm/0.16inch Unilateral Length Package list: 4 x Carving Tools