The special non stick coating on the sole makes it easier to sew zips into fabrics that tend to stick, such as leather and plastic.#54V Zipper Foot with Non Stick Sole - BerninaSKU: 008 479 7500£72.50PriceVAT IncludedEnter Make and Model of Machine*0/100Quantity*ADD TO CARTBUY NOWPostage | DeliveryFree postage over £49.00. Under £49.00 - Postage charged at £5.99. Smaller quantities items are sent via Royal Mail. Delivery time 2-4 working days.