uxcell M8 5/16" Thread Adjustable Stainless Steel Eye Hook Turnbuckle 2pcs Main Material: Stainless Steel; Package Content: 2 x Hook Eye Turnbuckle Product Name: Hook Eye Turnbuckle; Weight: 242g Main Color: Silver Tone; Overall Size: Length: 186mm/ 7.3" Thread Size: M8 x 57mm/ 5/16" x 2.2"(D*L); Eye Hole Diameter: 13mm/ 0.5" Hook Mouth Width: 10mm/ 0.4"; Max. Open Length: 281mm/ 11"