Closeout - Limited to stock on hand. First come, first served. No Backorders. Clasp stays secure when metal loop is in upward or downward position. Clasp releases when loop is lifted into the midway position. Four rivets (not included) required to set clasp. 1-3/4" x 3/4" (4.3 x 1.874 cm) mounting plate, 1-3/4" (4.37 cm) diameter ring.