Adapter, Aluminum, use on 1/2" Punch for 1-1/2" OAL with 7/16-40 to 1/4-28 Thread, #12 O-Ring $12.58 Quantity discounts available QuantityPrice SKU: SCA-12/112 Quantity -+ Add to Cart ReviewsBackRatings & ReviewsNo reviews availableBe the first to Write a Review