Inner Thread: Commercial Cable .15 (3.8 mm) by Scand Tech $ 1.75 .15 (3.8 mm) 240.038us - $ 1.75 .15 (3.8 mm) 240.038us Size 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Add to cart Inner Thread Commercial Cable - (0.15 Inches) Priced per foot.