Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Clutch Back 7.8 x 8.9mm by PERRIN Sale $2.25 | / SKU 83-18-320 yellow gold plated - $2.25 nickel plated - $2.25 yellow gold plated nickel plated Metal Quality Chevron down icon 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Notify me when back in stock Email address Email me when available Clutch Back 7.8 x 8.9mm clutches are most commonly used with scarf pins, lapel pins and tie tacks. Clutches have either a rubberized plug on the inside or are spring loaded to catch the pin. These clutch backs fit 0.36" (0.91mm).