The BOW XT T-Track Clamps are an essential accessory, designed to work seamlessly with the XT Xtender Fence system. Sold as a pair, the XT T-Track Clamps have a 2 1/2" throat and 5" opening. Using the milled T-Tracks on the XT Xtender Fence, they securely clamp the XT Xtender Fence onto the existing fence of your saw, quickly and easily. They can also be used for general clamping, making them a versatile addition to your toolkit.-bg