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Zambelli square cup rain chain comes in 10-foot sections with 18 square cups per 10-foot section
8mm] NOTE: Laser is not visible in bright outdoor conditions
Thumbscrew: While the entire bracket is lead-coated using a hot dip method
Clamp choice depends on the roof panel type and seam profile
FastGrip Hi-Lo Roofing Screw – #10 x 4" (250 Pack) Color:Black Zambelli square cup rain chainLevis Hi Lo roofing screws are designed for reliable metal to wood fastening with superior holding power and consistent performance. Known for their sharp points and true sizing, these screws install cleanly and provide strong engagement in wood substrates. The Hi Lo thread design improves grip while reducing installation effort, making them a preferred choice for contractors. A mechanical galvanized finish combined with a galvanized EPDM washer