LEORX Sewing Machine Presser Feet 6mm+4mm Snap-on Rolled Hem Narrrow Hem Presser Feet Pack of 2 Color: Silver. Material: Stainless steel. Professional 6mm and 4mm roller hem presser. Special designed for low shank sewing machines. Compatible with sewing machine such as Brother Janome Toyota New Singer etc. Easy to snap on and with high performance.