HY2 is the toughest, most advanced indexible knife chipping system available. Key Knife’s next generation drum style chipping system, the HY2 (High Yield 2), is the solution for progressive sawmills that are looking to improve surface finish, chip quality, and operating efficiencies. It is designed and built to perform in the most challenging operating environments around the world. High Yield 2 Advantages Improved recovery and finish Improved chip quality Increased operating efficiency and safety High Yield 2 Features  PDF brochure download(1)  PDF brochure download(2)   Adobe Reader is required to view PDF files. You may download a free copy of it from the Adobe Reader website if you do not have it.