10mm-1.5 x 160mm Zinc Class 8.8 Hex Cap Screws (2 pcs.)

Diameter: #9
Length: 1-1/4"
Material: Steel
Finish: Green XL1500
Head Style: 6 Nibs Bugle (T-25 Star Bit)
Point Type: Type 17
Thread Type: Double CSK
Thread Length: Partial
Style: Serrated
Type: Deck Screw

Box of 2.

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