This is a package of 1mm Thin Wall Brass Tubes from K&S Engineering.:.
Round Brass Tube .225mm x 1mm x 300mm (4)
K-S Brass Strip .016'' x 1/4'' x 12'' Hobby and Craft Metal Strip #8230
1mm x 300mm Round Brass Tube .225mm Wall (4) K&S Engineering
K&S 9820 Round Brass Tube, 2mm OD 0.45mm Wall x 300mm Long, 4 Pieces, Made in The USA: Hobby Tools: : Industrial & Scientific
Round Brass Tube .029 x 3/4 x 36 (2)
Evergreen Styrene Round Rod .025 (10) Model Railroad Scratch
Round Brass Tube: 1/4 OD x 0.029 Wall x 12 Long (1 Piece) – ksmetals
Tube Assortment
K & S Precision Metals 8131 Round Brass Tube, Pack of 1 : Pet Supplies
K-S Round Copper Tube .36mm x 2mm x 300mm (4) Hobby and Craft