14 Ga. (1.6 mm) x 35 mm (1 3/8 inches) Stainlessl Steel Industrial Barbell with 5 mm Spikes-Ear Piercing This Item is an Industrial Barbell with Spikes-Ear Piercing It is Manufactured with Stainless Steel in High Quality 316L Surgical Steel (Non Allergic) Barbell Dimensions: Diameter: 14 Ga (1.6 mm) x Length: 1-3/8 IN (35 mm); Spikes Length: 3/16 IN (5 mm)