Over-sized thread diameter tightly fills the existing spike holes for better holding strength and a watertight fit #3 square drive virtually eliminates cam-out during hard to reach installations Durable UV resistant white and brown head paint matches most gutter systems Thick galvanized base coating guaranteed not to rust or react with aluminum Free driver bit included American made

316 stainless steel differs from 18-8 by it's molybdenum content (2-3%) and a higher nickel content (10-14%)

9/16-18 x 2 1/4 Socket Cap Screw Alloy

New longer and stronger plastic straps that now work in base materials 3/8" to 3 5/8" thick

1 1/2-6 x 15 Socket Cap Screw Alloy

7/16-14 x 5 Hex Cap Screw SS 316 (A4) 7/8-14 Socket Cap Screws Alloy Over-sized thread diameter tightly fills7 16 14 x 5 Hex Cap Screw SS 316 (A4) . 316 series stainless steel differs from 18 8 by its molybdenum content (2 3%) and a higher nickel content (10 14%). 316 stainless steel has greater corrosion resistance than 18 8 as well as superior strength at high temperatures.