A brand new shape created to give you a perfect, snug fit. Natural Fit Leather Thimbles are the first ever finger-shaped leather thimble with 3-dimensional stitching. There are no seams or stitches where the needle hits the thimble, allowing the needle to be pushed from the most convenient spot. The unique shape creates a smooth curve from the edge of the fingertip to the middle of the finger, giving you a cozy, natural fit. Diameter sizes: 6028 Small - 14.5mm (9/16 inch), 6029 Medium - 16 mm (5/8 inch), 6030 Large - 17.5mm (11/16 inch).