A hexagonal wrench, also known as an Allen key or hex key, used for tightening or loosening fasteners with hexagonal sockets. Utilized in the sewing industry for adjusting and maintaining sewing machines and other equipment.
A hexagonal wrench, also known as an Allen key or hex key, used for tightening or loosening fasteners with hexagonal sockets. Utilized in the sewing industry for adjusting and maintaining sewing machines and other equipment.