Model Number: 5.0mm x 20mm-#6449 Brand Name: JLHY Key Specifications/Special Features: Blind rivet, rivet, rivet nail1) Material: aluminum and iron2)Diameter: 3.0/4.0/5.0/6.0mm3) Length: 6-40mm4) Packing: 500-1000 pieces/bag or as per customer's requestsFactory introductionTianjin JLHY nail products Co., LTD was established in 1993 in Tangguantun industrial park with a 40,000 square meters manufactory. As one of the biggest professional factory of nails and screws, JLHY owns more than 100 machines and skillful workers making the annual production capacity reach to 16,000 tons.