Knurl Adapter, Body Material Alloy Brass, Body Material Fabrication Machined, Body Material Grade C360, Branch Connection Gender Male, Side 1 Connection Size 1/4 in, Side 2 Connection Gender Female, Side 2 Connection Size 1/4 in, Branch Connection Size 1/4 in, For Use With Digital Vacuum Gauges, Branch Connection Type SAE, Side 1 Connection Gender Male, Side 1 Connection Type SAE, Side 2 Connection Type SAE Knurl, Package Quantity 3