Umbrella Roofing Nail with twisted shank 1,Length:1"-4.5" 2,Shank dia: ... 3,Shank:twisted or plain shank ISO9001:2008 Umbrella Roofing Nail with twisted shank 1,Material:High quality Q195,Q215,Q2352,Length ... as your customer's requirement.8,Min: 5tons.more quantity with more competitive price.9,Delivery time:10 -15 days from ...