Yellow handle. Uses no oils or stones. Tungsten carbide sharpener will not rust and can be cleaned in dishwasher. Full length safety guard protects fingers.From the ManufacturerShear Sharp is an amazing device designed to take the mystery out of sharpening your general purpose scissors, hedge clippers and tin snips. The large ergonomic handle fits either hand safely and securely. The full length finger guard protects your fingers. Sharpening blades are Diamond Honed Tungsten Carbide and provide years of reliable use. Shear Sharp will not rust and can be cleaned with soap and water or in the dishwasher. If you own a pair of scissors, you will want to have the easy-to-use, affordable Shear Sharp Scissor Sharpener.