Harness Needles sold in packs of ten.

Sizes:
Size 1/0 Small
Size 2/0 Medium
Size 3/0 Large

Size 1/0 harness needles: 56mm length, approximately 0.5mm diameter tapering to a blunt pointed end.
Traditionally used in saddle stitching.

Size 2/0 harness needles: 59mm length, approximately 0.8mm diameter tapering to a blunt pointed end.
Traditionally used in saddle stitching.

Size 3/0 harness needles: 62mm length, approximately 1.02mm diameter tapering to a blunt pointed end.
Traditionally used in saddle stitching.