Vita-Mix 015990 Blade Assembly NA Made in USA Approved for use in 36019, BarBoss Advance, Blend Station Advance In-Counter, Blend Station Advance On-Counter, Drink Machine Advance, Quiet One 100V In-Counter, Quiet One 100V On-Counter, Quiet One 120V In-Counter, Quiet One 120V On-Counter, Quiet One 200-240V In-Counter, Quiet One 220-240V On-Counter, VM0145 Twin bearing, double sealed design for better blending and longer blade life Stainless steel is wider than other blades to improve blending 5-in. x 5-in. x 9-in. OEM approved for safety and reliability