Dual-Head Protective Hammer: stainless steel bracelet mandrel features detachable plastic and rubber hammer heads designed to prevent scratches on delicate jewelry surfaces. versatile enough for metalworking while maintaining gentle contact with finished pieces. Professional Bracelet Reshaping Tool: adjust bracelet making jewelry making tool crafted from premium carbon steel with hard chrome plating for superior durability. ideal for reshaping, enlarging, and correcting roundness of bracelets, bangles, and anklets with . bracelet mandrel sizer set includes stainless steel mandrel with dual-head hammer for comprehensive bracelet maintenance. suitable for professional jewelers, hobbyists, and repair technicians handling various jewelry projects. Optimal Tool Dimensionsmetal round bracelet mandrel measures 30cm/11.81inches length with 3.5cm upper diameter and 7cm lower diameter. hammer features 12cm handle with 6.5x2.5cm head for comfortable handling and storage efficiency. Measurement System: measure rubber metal bracelet mandrel includes graduated mandrel with clear sizing scale for accurate bracelet diameter adjustments. enables precise reshaping and sizing verification during jewelry making and repair processes., Weight: 998.83 pounds, Manufacturer: IJSDNVJNDX