Polished Brass Balance Weight Mass:500g Molded plastic aquarium tank holds

Molded plastic aquarium tank holds small aquatic specimens and classroom organisms for short-term observation and elementary biology experiments

Grips burettes

dual bowls for weighing flexibility

Three-prong double-adjustable universal clamp with non-slip vinyl grips and a swivel bosshead accepting rods up to 21 mm

this five-meter retractable tape measure pairs a 13 mm curved rust-proof carbon-steel blade with a locking control

Polished Brass Balance Weight Mass:500g Molded plastic aquarium tank holdsPolished brass single piece balance weight machined for precision, suited for verifying scale calibration and physics experiments involving mass and force.