The Head Key Well 45/50 measures 11.25 inch in overall length. 6.5 inch length from bottom of the frosted taper with 5 bands (portion of key that enters your head).
A key well (or thermo well) is a specialized glass insert (hollow plug) used in short path distillation heads to hold a thermometer or temperature probe. It seats into the primary joint at the top of the distillation head, sealing the system while placing the sensor exactly in the vapor path.
As always, Summit uses the best quality borosilicate blanks that are THICKER and built BEYOND STANDARDS constructed right here in the USA. Made for efficiency and reliability, our glassware is vacuum-rated to diffusion pump depths for high-performance operation. Summit provides the quality of lab equipment that you deserve to streamline your short path distillation process.
Summit recommends all users of any and all glassware to operate inside a ventilated fume hood with sufficient blast shields to prevent injury in case of fatigued glass failure. Summit is not responsible or liable for the result of any failures from use, and/or loss of subsequent hardware contamination/failure with or without the result of material loss or damaged caused to surroundings. By purchasing our premiere lines of laboratory glassware the user is responsible to operate in the recommended environment safely. We recommend all users to operate in a legal and licensed facility where safety is the number 1 goal. Head Key Well 45/50

