Dorco offers its Dorco Pace 4 Handle with Two Cartridges bundled with two Dorco Pace 4 Cartridge 4-Packs for $20.30. Coupon code "AFPACE4CM" drops the price to $10. With free shipping, that's tied with our April mention and the lowest price we could find by $8. Each cartridge features four blades and a lubricating strip. Deal ends August 20.