Type: This 1-1/8 inch double hole pin set has an outer diameter of 1-1/8 inches and a length of 2.75 inches, making it suitable for flanges from 1/2" pipe to 12" level 150 flanges, and from 1/2" to 8" level 300 flanges. It can also accommodate up to a thickness of two inches. Material: Made from aluminum material, this 1-1/8" two hole flange alignment pin set ensures durability and longevity, providing you with a reliable tool that will last for years. Precision Machining: The 2 hole flange alignment pin is precision machined which guarantees its performance. The threading passes through gauge check ensuring it aligns perfectly with the pipe flange. Size: The aluminum 1-1/8" two hole pins set measures approximately 9.21 inches x 8.39 inches. Easy Use: This double hole pin set is easy to use and provides quick alignment with the pipe flange, improving work efficiency. Specification: Material: Aluminum Size Chart: O.D: 1-1/8 inches Length: 7 cm / 2.75 inches Package Includes: 2 pieces 1-1/8" two hole pins set Note: Please allow slight errors due to manual measurement and different monitors.