Craftsman 21 123cc Single-Stage Snowblower 31A-2M5E799Craftsman 21 123cc Single-Stage Snowblower 31A-2M5E799. Atlantic Hosiery & Apparel Inc. 13449 NW 42nd Ave. Clear Paved Surfaces Using this Craftsman 21″ Snowblower Prepare for winter by bringing in this Craftsman 21″ 123cc single-stage snowblower so you need not break your back trying to shovel snow. Equipped with a.