MidWest® 51219 TorqueMaster™ Hex Star Drive Masonry Screw, 5/16"x3-1/4", 50-Pack ChristmasLighting Bolt diameter is

Bolt diameter is

1/2 Space per pole

The alternative is the Flush n' Sparkle™ Bowl Cleaning System

Out-performs other exterior clear finishes 2-1

MidWest® 51219 TorqueMaster™ Hex Star Drive Masonry Screw, 5/16"x3-1/4", 50-Pack ChristmasLighting Bolt diameter isTorqueMaster Star Drive Masonry Screw with Hex Head offers added torque that reduces risk of cam out. Quick two step system installs quickly, simply and provides neat finished appearance. It eliminates insets, plugs or shields. Features Blue Ruspert finish for superior rust resistant. 50 Pack Diameter: 5 16" Length: 3 1 4" Head Type: Hex Drive Type: Star Type: Masonry Screw Material: Steel Blue Ruspert superior rust resistant finish.