Sold in packs of 2.
Eyes are off-set through 90 degrees with correct left/right hand simulated threaded ends.
For added authenticity, the hole through each barrel, which would be used for tensioning/de-tensioning, is drilled at varying points of rotation.
Turnbuckle barrel length: 10mm
Overall length: 20mm
Turnbuckle diameter: 3mm
Eye diameter: 3mm
Hole diameter: 1.6mm
Distance between hole centres: 17mm