Threaded brass knob for 11/64" shank engraving tools $4.49 Quantity discounts available QuantityPrice SKU: C2-171-KNOB Threaded brass knob for 11/64" shank engraving tools Ship Pickup in Store - FREE! Select Store to check availability. Quantity -+ Add to Cart Print Details Additional Accessories/ Options Specifications Shank Size11/64" Shank Size DetailsSpecifications Back Additional Accessories/ Options Back Shank Size11/64" Shank Size