Doris B Mount Airy , MD January 21, 2020 Appliance: Whirlpool Food Grinder Stand Mixer Attachment FGA-1 Whirlpool Mixer Attachment Fga-1: Replacement knife. How to replace 9706857G Kitchenaid Knife. Placed it on the grinder. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes