Click to expand Tap to zoom 40A10H-SB Type A Plate Sprocket for #40 Roller Chain - 10 Tooth - 1/2" Stock Bore Sale $11.75 SKU 40A10H-SB Quantity One - $11.75 Price Each on 2 to 4 - $10.58 Price Each on 5 or More - $9.40 Quantity Discounts Quantity One Price Each on 2 to 4 Price Each on 5 or More 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart This item is a recurring or deferred purchase. By continuing, I agree to the cancellation policy and authorize you to charge my payment method at the prices, frequency and dates listed on this page until my order is fulfilled or I cancel, if permitted. 40A10H - SB (1/2") Bore Heat Treated Type A PLATE Sprocket for #40 Roller Chain 10 tooth Outside Diameter = 1.840" Pitch Diameter = 1.618" Free shipping in the USA!