uxcell 6mm Thickness Double D Shape Eye Swivel Hook Shackle Silver Tone 5 Pcs Package Content: 5 x Eye Swivel; Product Name: Eye Swivel Weight: 249g; Main Material: 304 Stainless Steel Overall Size: 67 x 27 x 13mm/2.6" x 1" x 0.5"(L*W*T); Main Color: Silver Tone Battery Included: No; Ring Thickness: 6mm/0.24" Each Ring Inner Size: 15 x 15mm/0.6" x 0.6"(L*W)