Manufactured in the USA and built to last a lifetime. Stoppers are constructed from FDA-compliant 304 Stainless Steel and feature three FDA compliant O-rings so cross-contamination will not be an issue. Stoppers are designed to fit multiple bottle diameters, providing an airtight seal.
Stoppers feature a 3/8 inch x 16 TPI, 1/2 inch-long, non-removable threaded post for a secure fit to the turned handle. Use of the Knurled Brass Threaded Inserts, a 1/2 inch brad-point drill bit, and one of the two direct-thread Universal Mandrels with a 13/16 inch Bushing creates the best bottle stopper turning systems. Universal Mandrels are available with a 1 inch x 8 TPI or a 1-1/4 inch x 8 TPI.
All items listed above are sold separately.,Manufactured in the USA and built to last a lifetime. Stoppers are constructed from FDA-compliant