This box of 10 Through Bolts s perfect for heavy-duty projects. Made of Zinc with a Yellow Zinc finish, these bolts come in sizes ranging from M6 to M24 with lengths from 45mm to 260mm. The unique design of Through Bolts allows for a stronger and more secure hold compared to traditional bolts. They are measured using the Metric system of measurement and come in a unit quantity of 10. With its high-quality material and sturdy design, these Through Bolts are the perfect addition to any project.