Dorco offers the Dorco Pace 4 Handle with Two Cartridges, model no. FRA1000, bundled with four Dorco Pace 4 Cartridges, model no. FRA1040, for $6 with free shipping via the steps below. That's $6 off list and the lowest total price we could find. It includes a handle and six cartridges, featuring pivot heads and lubricating strips.