An economical, easy method for securing tubing to fittings. Handy Clamps are made from a tough 6/6 nylon material that can withstand temperatures to 135 °C. No specialized tools are necessary for securing or removing Handy Clamps. With the hose in place on the fitting, select a Handy Clamp that provides a snug fit with one to three teeth engaged. When fully tightened this will produce a strong and reliable closure. Reusable - no special tools required to install.