Made in USA - Shim Stock: 0.003'' Thick, 60'' Long, 6″ Wide, 260 Alloy Brass - 32020034 - MSC Industrial Supply
Stainless Steel Shim Stock, 304 Stainless Steel Shim Stock Roll, Full Hard Temper, 50" Long x 6" Wide x 0.001" Thick: Amazon.com: Industrial & Scientific
Progressive Machine Tools, Inc. | Raw Materials > Shims & Shim Stock > Metal Shim Stock | Blue Tempered Shim Stock Roll - 6″ × 50″ (0.007″ Thickness) | MA5223165