Commercial Flex Edge Tamper helps push ingredients into the blending vortex, and scrapes the sides of the jar so everything is blended evenly. Compatible with KitchenAid® Commercial Blenders, KSBC1B0, KSBC2F1, KSBC1B2, KSB8280, KSB8270, KSB7068, KSB6060, sold separately.