The Jr. Adapter tool, the Band-IT tool, and the Jr. Tool, is used to apply Band-IT Jr. smooth I.D. clamps as well as preformed clamps. This Band-IT tool along with the Heavy duty Jr. Adapters are the perfect tool for portable applications. The Band-It Air Tools are recommended for high volume production clamping jobs. The Pok-It tool as well as the Thriftool will apply ¼” and 3/8” width clamps.