WINDING MECHANISM Jyoti Bobbin holds the thread used for the underside of the stitches a sewing machine forms Bobbins are designed to be easily wound with thread Many machines have a builtin bobbin winding mechanism for convenience The amount of thread a bobbin can hold varies depending on its size and design Larger bobbins generally hold more thread which means fewer interruptions to refill the bobbin during sewing COMPATIBILITY Bobbins need to be compatible with the specific make and model of the sewing machine Using the wrong bobbin can result in stitching problems and machine damage Some bobbins are made from transparent or clear plastic allowing you to easily monitor the amount of thread remaining on the bobbin The bobbins have userfriendly features for easy loading and unloading This can save time and reduce frustration when replacing bobbins SIZE SHAPE Bobbins come in various sizes and shapes to fit different sewing machines They are usually cylindrical and can be classed into different sizes like Class 15 Class 66 Class 90 etc depending on the sewing machine model bobbins can be either frontloading or dropin bobbins The type of bobbin your machine uses will affect how you insert and secure it TENSION ADJUSTMENTS The Bobbins have tension adjustment screws or mechanisms to control the thread tension which can affect the quality of the stitches Bobbins are placed inside a bobbin case or bobbin holder within the sewing machine The bobbin case helps maintain proper tension on the thread as it feeds from the bobbin HIGH QUALITY We have Bobbins available in Steel and Plastic material with the finish of Nickel Transparent Colored and Black Also there are two types of bobbin such as Domestic and Umbrella The choice of material depends on the sewing machines design and requirements The durability of a bobbin is important to ensure it can withstand the rigors of sewing without warping or breaking