DescriptionThe item is machine grommets for needles. They are designed specifically for machine use. Easy to use and perform the same function as grommets. Manufactured to tight tolerances, they will ensure a fit between your needle loop and armature bar.Features- Color: Black - Material: Silicone. - Designed specifically for machine use. - Improved durability, long lasting material. - Performs the same function as grommets. - Grommets helps keeps the needle snug on the armature bar. - Carefully designed, excellent for use. - Warm Tip: Dear buyer, Due to lighting effect,monitor's brightness,manual measurement and etc, there could be some slight differences in the color and size between the photo and the actual item. sincerely hope that you can understand! Thank you!