Back Riveting Bucking Bar – Cleaveland Aircraft Tool
Rivet Bucking Tool – Ken's Custom Iron Store
AT590RGK 4X Rivet Gun Kit | Aircraft Spruce
Rivet Bucking BAR - 5" Length X 3" Width X 1" Height. Made from CASE Hardened 1018 Steel for CLINCHING Solid Rivets with an AIR Hammer (CA-56): Amazon.com: Industrial & Scientific