Professional Kitchen Knife Sharpener Kit Set Fixed-angle Knife Sharpener System with 4 Bigger Sharpening Stones Knife sharpener kit set comes with 4pcs high quality sharpen stone (180#, 400#, 800#, 1500#) to fit for different size of knives and keep razor sharp and ready to cut ! The fixed-angle system is designed with 4 piece of powerful suction cups at the bottom and push scale bars fixed tightened by pivot and guide lock. Fit for most of the knives in commercial and home kitchen use and suprise your well with a great result on blade sharpening, just keep your life more easier. More professional scale bar and you can fix any angle per your refers on hunting pocket and sporting knives, kitchen fish and meal knives, serrated knives etc. WARRANTY - 60 DAYS MONEY BACK & 18 MONTHS EXCHANGE - We guarantee you'll love this Professional Kitchen Knife Sharpener and if you aren't absolutely satisfied, returned it within 60 days for a full refund, no questions asked.