The pineapple slicer by Oxo measures 31cm / 12 inches features a stainless steel blade and is BPA free. The pineapple cutter cores and slices pineapples quickly and easily. The slicer has a ratcheting turning knob for continues rotations. The pineapple slicer features measurement markings on its shaft to help prevent piercing the bottom of the pineapple shell. The pineapple slicer and the knob easily separate for easy and efficient cleaning. The slicer has a sharp stainless steel blade and can be used with most pineapple sizes. The Oxo pineapple slicer features a soft, comfortable, non-slip grip and is dishwasher safe.