Middleburg and American & Efird, Quilting Threads and Bobbins

Description

  1. Overview
    1. Threads for quilting (yarn)
  2. Specifications
    1. Middleburg T-30, usually for the bottom rack
    2. Thread type a: Middleburg T-30, 13,000 yards per bobbin
    3. Thread type b: American & Efird SG63TJ, 4.07 lbs per bobbin