ShapesbyX 3 Pieces Stainless Steel Jewelry Making Silicon Watch Band Tube Slider for Bracelet Charm Beads 10mmx3mm Inner

Stainless steel curved tubes for bracelet making.

Two styles with the same size, hollowed and no hollowed.
10x3mm inner hole, for flat leather 10x2mm, you can use following leather:
40mm long with 12mm wide outside.
You choose from the colors

Suitable clasps and leather band, you can use following 2 links:

https://shapesbyx.com/collections/flat-leather-strip-10mm-wide

https://shapesbyx.com/collections/stainless-steel-clasps/products/pack-3-stainless-steel-silicon-band-watch-band-claw-clasp-end-hold-10x2mm-10x3mm-leather-strips-10mm-snap-closure-%E7%9A%84%E5%89%AF%E6%9C%AC