14g or 12g Circular barbell with Spikes or Cones $10.00 16g Circular Barbell with 3mm or 4mm balls $10.00 14g, 12g, or 10g Circular Barbells with either 4mm, 5mm, or 6mm balls. $10.00 Select either 8g, 6g, or 4g circular barbell with either 5mm, 6mm, or 8mm balls $16.25 14g Circular Barbell $3.25 12g Circular Barbell $3.95 6g Circular Barbell $8.75 10g Circular Barbell $7.75 4g Circular Barbell $9.00 2g Circular Barbell $9.50 0g Circular Barbell $10.00 8g Circular Barbell $8.50