8720-AB Surface bolt Finish/Color: Antique BrassMaterial: Solid brassDimensions: 4" longFinish Options: AB | PB | PN | OB | BN SKU: 8720-AB-6 Categories: Surface Bolts, Surface Bolts, Window Hardware Description Description Surface bolt for windows, French windows, doors. Solid brass. Available in 3 lengths and 5 finishes. Comes with 2 strikes. 4″ long , 1/2″ diameter half-rod 1-3/8″ wide guide brackets (stays) , 3/4″ knob diameter