1/2'' 12,8 mm Eyelet Grommet Fastener Die for Hand Press Machine

Die for #28 Eyelet Grommets: inner diameter=12,8 mm (0.5''), outer diameter=25 mm (1'') height: 7,6 mm (0.3'')

Suitable for use on hand press machines which top thread size is 1/4 inches = 6,3 mm and bottom hole size is 1/2 inches = 12 mm.