Amazon.com: Abimars Eye Bolts by Load Capacity 1000lbs, 4PCS M10 316 Stainless Steel Eye Hooks Screw in Heavy Duty for Hanging Hammocks, Swing Chairs, Heavy-Duty Suspension : Patio, Lawn & Garden
1010/1020 Carbon Steel Sphere, Grade G1000, Mirror-Like Finish, A29/C1010/C1020/ 11310 (CS1010), 3/32" Diameter, 0.001" Sphericity (Pack of 500): Steel Metal Raw Materials: Amazon.com: Industrial & Scientific
1010 Steel Shim Stock, Full Hard Temper, ASTM A109, 0.010" Thick, 6" Width, 100" Length: Amazon.com: Industrial & Scientific
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