This is very useful to have around, it easy to take with you as well. Being on a key ring it makes super portable and easy to take the wrench off and on. All the wrenches are pretty strong but I wouldn't recommend using a hammer to get more force. It has every wrench I think I will need and this will get a lot of use. If you need these and want a good price give these a try.
More info:
Type: Multitools
For: Cycling,Daily Use
Package weight: 0.086 kg
Product size (L x W x H): See figure 2
Package size (L x W x H): 8.00 x 5.00 x 2.00 cm / 3.15 x 1.97 x 0.79 inches
Package Contents: 1 x Allen Wrench Hex Key Set
Directions:
1. Do not use the Wrench with rod for adding force or hammerhead
2. Check the Wrench frequently for work efficiency and do not use those worn or cracked
3. Select the Wrench with the right size
Check it out at: https://www.amazon.com/dp/B07W923X5M