Loon(TM) Razor Scissors - 4" or 5" Sharp, comfortable, sharp, precise, and sharp. Appropriately named, this is a razor-sharp pair of scissors. One of the straight blades is serrated, and the other is non-serrated, aiding in grabbing of materials to eliminate material slip. The knurled tension knob allows for adjustments to specific applications. Hand-tuned in the USA Knurled tension knob Blades: one smooth one serrated Powder-coated grip Colors: Black or Yellow