Please see the image below in order to choose the right crimp bead tool. You can choose the micro T09 for the small crimp bead or th T63 for standard crimp bead. Never fumble closing tiny crimps again! The Micro Crimper is the right tool for securing Beadalon Crimp Tubes and Crimp Beads. Use one firm squeeze to crimp with the inner-position grooves and then use the outer-position grooves to round off the crimp. The jaw grooves are comparably smaller to make a dependable closure on smaller crimp findings. (12.7cm)