Proto Adapters come in several different forms and can help you to increase or decrease to the optimal drive-end size. Though they are not made to be used with power tools or to be over torqued, these adapters allow for convenient size adjustments for the job at hand. Whether you need a socket impact driver or any of Proto's other adapters, Tools Plus has you covered. Browse from our selection below and find the right Proto Adapter for your needs.

Proto J10005 1" F x #5 Spline Impact Drive Adapter
- Use adapters to help increase or decrease drive end size
- Do not use hand adapters with power tools
- Do not over torque small sockets when using them with adapters on large drive tools

Proto J15005 1/1/2002 #5 Socket Impact Adapter
- Use adapters to help increase or decrease drive end size
- Do not use hand adapters with power tools
- Do not over torque small sockets when using them with adapters on large drive tools

Proto Drive Adapters *ALL*
- Full polish finish
- Allows you use different drive sockets with various ratchets and handles
- A must have for any toolbox