Designed for precise flange leveling and alignment, these push-button flange pins support efficient pipe alignment in industrial and construction applications. Carbon steel construction with an ACME thread and black oxide coating provides durability and resistance to rust and corrosion. They accommodate flange holes from 5/8 to 1.875 inches (16 to 47 mm), with quick-release operation for convenient installation and removal. Supplied as a pair in blister packaging.