Heavy Duty Borosilicate Glass Beaker with White Graduations Capacity:100mL 75 inches of usable track

75 inches of usable track gives upper-division optics setups the rigidity needed for lens

the next step up from the 1-ohm reference for low-resistance series-circuit and divider work

Wide-mouth LDPE reagent bottles hold 125mL each in a 12-pack with flexible walls for squeeze-access to powders and viscous samples

as well as

Raw zinc 10mm replacement cube cut to ±5% tolerance as a direct replacement for the PH0106 Metal Density Cube Set

Heavy Duty Borosilicate Glass Beaker with White Graduations Capacity:100mL 75 inches of usable trackHeavy duty borosilicate 3. 3 glass beaker with thick uniform walls and white printed graduations, engineered for durability in routine heating and measuring.