Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon 11.28mm Brass Military Back by PERRIN Sale $1.47 | / SKU 83-18-179 brass - $1.47 brass 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 11.28mm Brass Military Back 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. The post measures 3.05mm x 9.7mm.