S & G Tool Aid's two Deutsch closed barrel terminal crimpers, Nos. 18880 and 18890, can be used on trucks, motorcycles, construction equipment, race cars, agricultural equipment, heavy duty vehicles and other vehicles and equipment subject to excessive vibration that have closed barrel terminals. These tools can be used simply by inserting the terminal and wire, then squeezing the handles tightly together to complete the crimp. A ratcheting action quickly provides a perfect crimp. The tools are of steel construction with comfortable cushioned grips.