Round Polypropylene Test Tube Rack for 12 Mixed Tubes (4 x 25mm + 8 x 19mm) Biology_Entomology & Zoology DIS ignition coils

DIS ignition coils

Zinc alloy LPG Bunsen burner with flame stabilizer ships with a 2-foot neoprene gas hose for immediate bench setup in chemistry classrooms

Compact all-metal boss head with two stainless steel thumb screws joins rods up to 15mm orthogonally

Four-prong cork-lined retort clamp with an integrated boss head

Pan balance demonstration lever with a low-friction brass pivot

Round Polypropylene Test Tube Rack for 12 Mixed Tubes (4 x 25mm + 8 x 19mm) Biology_Entomology & Zoology DIS ignition coilsPolypropylene round test tube rack holding 12 tubes four at 25 mm and eight at 19 mm with 360 degree access for benchtop chemistry demonstrations and student experiments.