OttoFrei.com - Jewelry Tools & Findings Since 1930
Contact & Hours. We would love to hear from you! email: info@ottofrei.com phone: (510) 832-0355; phone hours: Monday - Friday 8:30am - 5pm PST; counter hours: Monday - Friday 8:30am - 12:30pm & 1:30pm - 5:00pm PST