This is a package of 1mm Thin Wall Brass Tubes from K&S Engineering.:.
Round Brass Tube .225mm x 1mm x 300mm (4)
Round Brass Tube: 2mm OD x 0.225mm Wall x 300mm Long (4 Pieces) – ksmetals
K-S Small Brass Oval Tube Hobby and Craft Metal Tube #5094
K-S Square Brass Tube 5/32 (10) #152
Tichy-Train .015 Phosphor Bronze 8'' Wire (12 pieces) Hobby and
K&S Engineering . KSE 1/8 X12'' Soft Brass Tube - PM Hobbycraft
Brass Tubes - Brass Archives
Round Brass Tube: 1/4 OD x 0.014 Wall x 36 Long (5 Pieces) – ksmetals
K-S Phosphorus Bronze Sheet .008'' x 6'' x 12'' Hobby and Craft
Heller USAF Military Personnel Plastic Model Military Figure Kit 1
3/16, 7/32, & 1/4 Bendable Brass Tube Assortment (3)
K-S Round Aluminum Telescopic Tubing Assortment (8) Hobby and Craft Metal Tubing #3403
K & S Precision Metals 8131 Round Brass Tube, Pack of 1 : Pet Supplies