Circular barbell with cones

1.2x6mmx2.5mm, 1.2x6mmx3mm, 1.2x8mmx2.5mm, 1.2x8mmx3mm, 1.2x8mmx4mm, 1.2x10mmx2.5mm, 1.2x10mmx3mm, 1.2x10mmx4mm, 1.2x12mmx3mm, 1.2x12mmx4mm, 1.2x12mmx5mm, 1.2x14mmx4mm, 1.2x14mmx5mm, 1.2x14mmx6mm, 1.2x16mmx5mm, 1.2x16mmx6mm, 1.6x6mmx3mm, 1.6x8mmx3mm, 1.6x8mmx4mm, 1.6x10mmx3mm, 1.6x10mmx4mm, 1.6x12mmx3mm, 1.6x12mmx4mm, 1.6x12mmx5mm, 1.6x14mmx4mm, 1.6x14mmx5mm, 1.6x14mmx6mm, 1.6x16mmx5mm, 1.6x16mmx6mm, 1.6x19mmx5mm, 1.6x19mmx6mm