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Title: Delta Sharpening Center is a test of temper!
Review: I have been trying to get a problem solved with this 23-710 Sharpening Center using the 23-715 Knife Grinding Attachment. There is no way this product is engineered properly and Delta has zero quality control on these units. The attachment cannot be leveled with the grinding stone. It is futile to think you can. Delta's 800 number is of no help, their only solution being to take it to a service center. I am now stuck with it as I have had it over 30 days waiting for parts to arrive that were supposed to solve the problem, but didn't. It appears the hole for the shaft screw on the main grinder housing has been drilled at other than 90 degrees from the side and the 23-715 attachment will never align properly to allow the blade carrier to parallel the grinding stone.
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