7/8"-9 x 12" Hot Dip Galvanized Hex Cap Screws CSHS-643 (5 pcs.)

Diameter: 7/8"
Length: 12"
Material: Steel
Finish: Hot Dip Galvanized
Head Style: Hex (1-5/16" Wrench)
Thread Size: 9 (Coarse)
Thread Length: 4 to 6"
Type: Cap Screw

Box of 5.

A hex cap screw has a hexagonal head, designed to be driven by a wrench.