Dorco offers its Dorco Pace 4 Handle with Two Cartridges bundled with two Dorco Pace 4 Cartridge 4-Packs for $20.30. Coupon code "AFP4C96A" drops the price to $10.15. With free shipping, that's the lowest price we could find by $8, although we saw it for pennies less in August. Each cartridge features four blades and a lubricating strip. Deal ends September 12.