Ham-Let’s line of Let-Lok compression fittings features a double-ferrule technique to provide leak-tight connections under stringent operating conditions. The fittings are a good fit for petrochemical, fluid, power, nuclear and semiconductor industries. The fittings are precision machined using computerized automation to ensure high-quality results. Each fitting undergoes a series of tests to demonstrate compliance with specifications for pressure, temperature, impulse, vibration and vacuum performance. Fully gaugeable, Let-Lok fittings are available in a range of configurations and materials, including stainless steel, brass and special alloys. Manufactured in fractional sizes from 1/16” through 1.5 inches and metric sizes from 2 mm through 25 mm.