Pella Slim Shade (Internal Blinds) Gear Box Operator Color : Bronze Bronze Part Number: 9040136-BRZ Price: $74.12 Quantity discounts available QuantityPrice Quantity: Each-+ Add to Cart DescriptionAdditional InformationPella Slim Shade (internal blinds) Gear Box Operator - Bronze For Pella Slim Shade units made 1978-1990For units made in 1991 or later, use 9040132 To Replace knob only, use part 9040501