Check the listing for details. TWIST Fastener Turn Button with Eyelet Prong Grommet and Washer - 12 sets. Condition: New. Listed at 26.95 USD. Twist Fasteners Two Screw Base with Eyelet Prong and Washer - 12 setsThese fasteners are positive locking that will never open accidentally. Eyelet Prong 1 1/2" x 1", Washer Plate 1" x 7/8"The inner opening is 9/16" x 5/16"Twist Fastener: the distance between the screw holes is 7/8", the overall height is 3/4"Material - Brass, Finish - Nickel Great for all canvas products - boat covers, enclosures, tents, luggage, sporting goods. Please email if you have any questions. All items can be picked up if you live in Fort Lauderdale, Miami FL area. Thank you for your purchase.Twist Fasteners Two Screw Base with Eyelet Prong and Washer - 12 setsThese fasteners are positive locking that will never open accidentally. Eyelet Prong 1 1/2" x 1", Washer Plate 1" x 7/8"The inner opening is 9/16" x 5/16"Twist Fastener: the distance between the screw holes is 7/8", the overall height is 3/4"Material - Brass, Finish - Nickel Great for all canvas products - boat covers, enclosures, tents, luggage, sporting goods. Please email if you have any questions. All items can be picked up if you live in Fort Lauderdale, Miami FL area. Thank you for your purchase.