Our AT&T 110 Termination Tool offers a durable and versatile solution for terminating to either 66 or 110 clips. The termination tool features two all-metal, removable/replaceable bit assemblies, and an integrated holder for spare bits. Backed by Lifetime Warranty.The StarTech.com Advantage- Comes complete with 2 metal bits. (66 and 110 bit)- Removable and replaceable bit assembly- Integrated holder for spare bit