US$ 269.50
Economical for training
Making your gardening more organized
[Sturdy & Durable] : Made of durable spring steel material with polished surface treatment
Multifunctional Pressure TesterThe gas pressure gauge can store data by entering REC mode to read max/min/average value during recording
GL GLK Class
PATIKIL 2" (50mm) Focal Length Double Convex Lens, 3 Pcs 30mm Diameter 5mm Height Glass Optically Polished Round Edges Lens for Physics Experiment, Clear workwarehouse Economical for trainingPATIKIL 2" (50mm) Focal Length Double Convex Lens, 3 Pcs 30mm Diameter 5mm Height Glass Optically Polished Round Edges Lens for Physics Experiment, Clear The double convex lens is a type of lens that is thicker at the center than at the edges and is used to gather light. It can make telescopes, suitable for a variety of applications, including scientific experiments, photography, and optical instruments. Specification Color: Transparent Material:
US$ 269.50
US$ 287.00