Material：304 Stainless Steel,anti-rust and durable

Specification:
Pitch: Metric thread
Ring inner diameter: approx.13mm/0.51inch
Ring external diameter: 21.5mm/0.85inch
Total Height : 35mm / 1.4"
Thread Size ( A x E): M5 x 12mm/ 0.2" x 0.47"(D*L)
Ring Thickness: 5mm/ 0.2"
Pitch: 0.8mm

Package Including:
5 * M5 Ring Eye Bolt