SNAPTOGGLE® bolts also allow you to mount heavy loads without making a large hole in the wall

1/2 x 4 Mushroom Spike Zinc Plated (25)

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

3/4-10 x 8 A307 Grade A Carriage Bolt Zinc Plated

13/16 x 6 Reduced Shank Drill Bit (1/2 Shank)

1 3/8 x 6 Reduced Shank Drill Bit (1/2 Shank) 3/4-10 Flat Socket Cap Screws Alloy SNAPTOGGLE® bolts also allow you1 3 8 x 6 Reduced Shank Drill Bit (1 2 Shank) . Expands the size range capacity of a 1 2 inch portable drill chuck. Common flute and overall length for minimal adjustment during tool changes. Precision ground for high degree of concentricity between shank and body diameter. Ideal for drilling in low and medium tensile strength materials.