3/8" aluminum insert designed to be welded into our Rail Shoe to construct a Tenotomy Railbar shoe. Size 2 for (Rail2, 3N, 4N) Size 3 for (Rail3, 4, 5) and Size 6 for (Rail 6, 6.5, 7).Aluminum Tenotomy Rail Insert (Each) $6.85PricePlease Select:SelectQuantityAdd to Cart