The included handle works with any of the cartridges.
Brad's Deals Editor Casey,
Exclusively for our readers through 3/26, this Pace Trial Pack drops from $39.30 to $25.41 with free shipping when you enter code BRADS40 at Dorco. This set is only available at Dorco, and we couldn't find a similar combination set elsewhere for less. The set includes 10 six-blade cartridges, 4 four-blade cartridges, and 4 three-blade cartridges along with a handle that can be used with any of the cartridges. Sales tax is not charged in most states.