product properties：
Material: Tungsten steel
Type: Forming cutter
Processing range: Density board, particle board, solid wood board
Whether coating: Coating

Standard sizes：
No. 1 positive semicircular knife 1/2x 1/4 shank diameter: 12.7mm circle diameter: 6.35mm net weight 64 packaging: plastic box with packaging weight: 71g
No. 2 positive semicircular knife 1/2x 3/8 shank diameter: 12.7mm circle diameter: 9.52mm net weight 70 packaging: plastic box with packaging weight: 77g
No. 3 positive semicircular knife 1/2x 1/2 shank diameter: 12.7mm circle diameter: 12.7mm net weight 87 packaging: plastic box with packaging weight: 94g
No. 4 positive semicircular knife 1/2x 5/8 shank diameter: 12.7mm circle diameter: 15.9mm net weight 89 packaging: plastic box with packaging weight: 96g
No. 5 positive semicircular knife 1/2x 3/4 shank diameter: 12.7mm circle diameter: 19.1mm net weight 103 Packing: plastic box with packaging weight: 110g