Technibond Wide Bismark Link Bracelet Push Lock 14K Yellow Gold Plated Silver. Technibond jewelry is crafted from. 925 sterling silver with a 40-mils-thick outside layer of 14K yellow gold. Self-decorating is serious business. Get to task when you wrap your wrist in this modern brocade of warm sterling silver. Invest in a confident finish to your favorite power (and leisure) looks.