1'' Gate, Scissors action for clean cutoff against an 0- ring. Adjustable gate tension. 1'' pipe thread for threading into a fitting or use 1'' plastic nut (provided) to install gate directly into hole in tank side. Comes with a versatile plastic barbed adapter for 1'' tubing hookups. Excellent quality. Designed Specifically by Dadant and Sons for Use With Honey . Injection Molded High Strength