Features:
1. Made of high quality material, solid and lasting to use.
2. Used for jewelry casting, shaft seal, hole seal, dust seal, fixed seal, rotary seal, oil seal, water seal.
3. Portable and lightweight, easy to carry and store.
4. resistance, high temperature and wear resistance.
5. Necessary tools for jewelry makers and jewelry repairing workers.

Specification:
Condition: Brand New
Material: Other
Color: As pictures shown
Type: 3in, 4in, 5in (optional)

Package list:
1 * Rubber Sprue Base