![3B64SD Heavy Duty QD Sheaves - Three Groove A-B](http://redboarchain.com/cdn/shop/products/3b34sh-three-groove-qd-a-b-sheaves_1fdbacef-8b5c-46a8-9a21-166dfc6f727b_700x700.jpg?v=1603999355)
3B64SD Heavy Duty QD Sheaves - Three Groove A-B
$73.72
SKU 3B64SD
Heavy Duty QD A-B Sheaves
Three Groove
Material: Gray Cast Iron
Outside Diameter: 6.75"
Type: A-2
Uses SD Bush
![](https://cdn.shopify.com/s/files/1/0193/0266/files/Sheave_specs_2048x2048.jpg?v=1603915317)