Spax 4577000500907 10-by-3-1/2-Inch Stainless Steel Screws with Flat Head, 5-Pound Container

Fresh by Honora takes elegance to a new level with this lovely knot design. Ring crafted in sterling silver that highlights a cultured freshwater pearl at center (11-11-1/2 mm). Size 7.

2,000mL clear, heavy-walled borosilicate glass (Bomex) Erlenmeyer flask withstands temperature changes to resist cracking during the mixing or storing of chemicals

Autoclavable flask withstands temperatures up to 500 degrees C (932 degrees F)

Printed graduations indicate approximate volume

Accepts size #9 stopper (not included)

Smooth tooled neck facilitates cleaning and pouring.

2 free batteries

Need only 2 but you get 4