Pro-Balance H7-24-891 5.1" (13 cm) Tomato KnifeThe unique, patented Pro-Balance one piece durable tomato knife is ergonomically constructed of premium CR1400 Stainless Steel. The handle has a Matte finish with customizable weight adjustment that allows you to suit your own personal balance. Each knife features a color-coded waterproof handle cap. The 5.1 in. (13 cm) mirror blade is hand-sharpened & polished using Japanese water grinding, resulting in a razor sharp, long lasting edge. Each knife comes in an individual presentation gift box.Pro-Balance H7-24-891 5.1" (13 cm) Tomato Knife Features: Adjusting the Pro-Balance- 1. Unscrew handle cap.- 2. Take out handle cap and remove plastic tube.- 3. Unscrew old adjustment weight.- 4. Adjust to new weight setting.- 5. Put back the plastic tube.- 6. Screw the cap tight.