DP5421BC, Zinc, Single, Round, Rail Splice Bracket, Designed To Be Used With 5400 Round, Rail To Join Hold 2 Lengths Of Rail Together, Offset Nail Holes For Quick Placement, Compatible With 5438 5439 Snap On Flashing Brackets, Embossed Steel Is For Added Strength, Splice Screws Are Inserted In Holes At The End Of Rail, 1 Splice Bracket Should Be Installed On Every Length Of Rail To Lock It In Place, Includes Lag Bolt Spice Screws