To convert ounces to grams, you can use the conversion factor: 1 ounce is approximately 28.3495 grams.
First, convert 5 ounces to grams:
\[ 5 \text{ ounces} \times 28.3495 \text{ grams/ounce} = 141.7475 \text{ grams} \]
Now, rounding to the nearest hundredth, we get:
\[ 141.75 \text{ grams} \]
The tool weighs 141.75 grams.