Simba Tec Self Sharpening Nail Scissors Black/Matte SBT. The best way to do so is by using the Simba Tec Self Sharpening Nail Scissors w/ Non-Slip Blades when you are not using the main blades the serrated blades do all the work. The Simba Tec Self Sharpening Nail Scissors features a thicker and sharper blade ideal for any situation. These Simba Tec Self Sharpening Scissors will keep your nails nicely trimmed and in place so you can focus on recovering from a nasty fall or other pressing issues. Specifications for Simba Tec Self Sharpening Nail Scissors: Manufacturer: Simba Tec Color: Black Blade Material: Steel Package Contents: Simba Tec Self Sharpening Nail Scissors Simba Tec SBT59503: Self Sharpening Nail Scissors Black/Matte