6514F35 of borosilicate glass, with Standard Taper 35/25 socket mouth; without stopper or sample carrier.
6514F40 stopper fits the 500 and 1,000 mL flasks; glass hook tip on lower end; platinum sample carrier not included.
Black paper sample wrappers (6514F70) absorb heat quickly for infrared ignition; die-cut from unsized paper; sample area 32 x 30 mm, with 8 x 38 mm extending strip as fuse for ignition.