Martelli Gripper Rings 8" & 11" Hoops Keeps desired area completely flat while quilting with sit down long arm or home dec quilting machines. Martelli Gripper rings are also useful for stitching in the ditch. Two Handles for comfortable free motion quilting. No slip materials ensures that your fabric stays within your gripper ring. The item "Martelli Gripper Rings 8 and 11 Hoops GFM-08-11" is in sale since Wednesday, August 10, 2016.This item is in the category "Home & Garden\Household Supplies & Cleaning\Vacuum Parts & Accessories". The seller is "vacuumsewingcenter" and is located in Gainesville, Florida. This item can be shipped worldwide.