How To Replace Sponge Bar With a flat with a screwdriver to pry open layering two head arrow blank holder, take out the white plastic head, the original article sponge out clean, with glue, put on the new sponge bar, and restore the white plastic head back into the original position and blank holder pressure pry. Specifications Material: Sponge Color: White with Black Cloth Length: 100cm Width: 1cm Thickness: 1.2cm Fit For Brother Knitting Machine KH970 KH940 KH868 KH881 KH893 KH892 KH871 KH831 Package Included 1 x Sponge Bar The color of actual item may slightly vary from the above images due to different computer screen, thanks for understanding. Payment Policy - We Only Accept PayPal. Shipping Policy - We Will Send Your Product Within One Business Day. You Will Get Your Product Within 10-35 Business Days. Return Policy - Buyer Is Responsible For Paying All Shipping Taxes.