Securely seal perforated flasks and prevent investment overflow with durable, re-usable flask sleeves. Slide this flexible, high-quality rubber sleeve over a perforated flasks before investing and remove it before burnout.
Securely seal perforated flasks and prevent investment overflow with durable, re-usable flask sleeves. Slide this flexible, high-quality rubber sleeve over a perforated flasks before investing and remove it before burnout.
Diameter: 2.5" | 3" | 3.5" | 4" | 5"
Hight: 3" | 4 " | 5" | 6" | 7" | 8" | 9"
Country of origin: China