Specification Brand : uxcell BulletPoint1 : Product Name: Blind Rivets; Package Content: 20pcs x Blind Rivets BulletPoint2 : Main Color: Silver Tone; Material: 5056 Aluminum BulletPoint3 : Weight: 50g; Finish: Zinc Plated BulletPoint4 : Rivet Body Size: 20 x 4mm / 0.79" x 0.16" (L*D) BulletPoint5 : Flange Size: 1.6 x 12mm / 0.06" x 0.47" (T*D); Grip Range: 11mm-16.5mm / 0.43"-0.65" (Min.-Max.) GpsrSafetyAttestation : 1 ItemName : uxcell 20 Pcs 4mm x 20mm Aluminum Open End Large Flange Blind Rivets ItemPackageDimensions_Height : 10.2 centimeters ItemPackageDimensions_Length : 4.1 centimeters ItemPackageDimensions_Width : 9.1 centimeters ItemTypeKeyword : hardware-blind-rivets Manufacturer : uxcell Material : 5056 Aluminum ModelNumber : a18010400ux0046 PartNumber : a18010400ux0046 ProductDescription : Durible Material - All-aluminum rivet body and rivet mandrel with Zinc Plated finished, with lightweight but strong and better corrosion resistance. Great Accrssory - Widely used in buildings, cars, ships, aircraft, machines, electrical appliances, furniture and other products. Great for both indoor and outdoor use. Firmly Performence - Strong enough to support all of your projects. Superior corrosion resistant suitable for salt water applications. Professional - Need special tools (like Riveter) to mounting this blind rivets. Features - Open end blind rivets with break pull mandrel, large and flat round flange.