Radio Active Fixed Turnbuckle, 13x25mm (pk2) RMA645225. Turnbuckle Barrel Length: 13mm. Turnbuckle Barrel Diameter: 3mm. Authentic Simulated Left/Right Hand Threads. Eye Diameter: 3mm. Hole Diameter: 1.6mm. Fixed Overall Length: 25mm. Distance Between Hole Centres: 22mm. Eyes are offset through 90 degrees. For added authenticity the hole through each barrel which would be used for tensioning/de-tensioning is drill at varying points of rotation. Pack of 2.