Stackable D-Size Battery Cell Holder, Alternate Model Material_Borosilicate Glass sliding freely through the ring

sliding freely through the ring when cool but arrested once flame heating expands the ball beyond fit

Mid-range single-decade resistance box stepping from 100 ohms to 1000 ohms in 100-ohm increments

raw materials and according to international quality standards to ensure that they can withstand use in even the toughest laboratory environments

an object marker

Two 25mm lenses folding out together for 7x combined magnification in a pocket housing

Stackable D-Size Battery Cell Holder, Alternate Model Material_Borosilicate Glass sliding freely through the ringStackable D cell holder in durable plastic with metal contact plates, linking to additional holders in series or parallel to extend bench circuit voltage or capacity without soldering.