M4 4mm Thread Adjustable Stainless Steel Eye Hook Turnbuckle 4pcs Main Material: Stainless Steel; Package Content: 4 x Hook Eye Turnbuckle Product Name: Hook Eye Turnbuckle; Weight: 98g Main Color: Silver Tone; Overall Size: Length: 106mm/ 4.2" Thread Size: M4 x 30mm/ 0.16" x 1.2"(D*L); Eye Hole Diameter: 9mm/0.35" Hook Mouth Width: 6mm/0.24"; Max. Open Length: 147mm/ 5.8"