Bernina Sock Embroidery Hoop InsertsThe Bernina Sock Hoop Inserts make it easy to embroider socks with percision and stability! Designed for use with the Medium Embroidery Hoop, these inserts provide secure positioning while preventing stretching and distortion of the fabric. These inserts come in a set of two sizes to accomodate different sock styles. Set includes a Mini Sock Hoop Insert 1. 3 inches by 1. 6 inches for smaller socks, and a Standard Sock Hoop Insert 1. 8 inches by 2. 3