Tools Dk-Lok brings you excellent quality Outstanding customer service and availability Enjoy Dk-Lok tube fitting working your application ! Tools Home Instrumentation Tools Instrumentation 5 Fittings 11 Valves 9 Check & Relief Valves 9 Metering & Bellow Valves 2 Needle & Regulator Valves 6 Toggle & Rising Plug Valves 2 Bleed & Purge Valves 2 Diaphragm & Gauge Valves / Manifolds 3 Filters 2 Double Block & Bleed Valves 2 Ball & Plug Valves 8 Quick Connect 4 Tube & Hose 2 Tools 5 Semiconductor 3 Fittings 1 Valves 2 Diaphragm Valves 6 Ball Valve 1 Regulators 2 Ball Valve 1 Valves (~56``) 7 Hydraulic Swaging unit DHS Hydraulic Swaging Unit DHS-2A Setup and Operating Instuction. Electric Swaging Unit DES Hydraulic Swaging Unit Preswaging Tool DPS Hydraulic Swaging Unit Gap Gauge DIG Assure the installer or inspector that the fitting has been sufficiently pulled up on initial installation. DK-Lok initially pulled-up. DK-Lok depth marking tools help ensure that tubing is bottomed on the shoulder inside the DK-Lok fitting body.