The Dyson 907363-01 DC07-DC14 Stair Tool Assembly St (907363-01) has an agitating edge to lift carpet pile, velour strips to pick up hair, and airflow bleed holes to stop the tool from sticking to upholstery.
The Dyson DC07-DC14 Stair Tool Assembly fits the DC07 Series and DC14 series upright vacuums.