# Overview and Features

The chain tools are designed specifically with *FIRST®* Robotics Competition teams in mind. These handy tools makes it easy to break and assemble chain, and are also sized to assemble chain in place on your robot.

<div><figure><img src="https://2058726725-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDHordoH9LSfgdcDAOvIO%2Fuploads%2FSLcjff1t0iotT4uIzZz8%2F%2325%20Chain%20Tool.svg?alt=media&#x26;token=e7ac3e87-82f7-4e94-86d0-85a8d30779e9" alt=""><figcaption><p>#25 Chain Breaker</p></figcaption></figure> <figure><img src="https://2058726725-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDHordoH9LSfgdcDAOvIO%2Fuploads%2FhgMyvWNo1MeUQBCaIAGi%2F%2335%20Chain%20Tool.svg?alt=media&#x26;token=48cfe7f4-eb5a-4f5c-a024-57e7526b8de2" alt=""><figcaption><p>#35 Chain Breaker</p></figcaption></figure> <figure><img src="https://2058726725-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FDHordoH9LSfgdcDAOvIO%2Fuploads%2FQfEIbA5mNXbmpcvtQWw0%2FCombined%20Chain%20Tool.svg?alt=media&#x26;token=a5753ebf-3337-444b-80ed-77e5028eb773" alt=""><figcaption><p>#25/#35 Combo Chain Breaker</p></figcaption></figure></div>

**Notable Features:**

* Single or combined option
* Adjustable hard stop&#x20;
* Single Allen key needed - 3/16"
* Attachment point for lanyard
* Replacement pin packs available