12-Piece Solid Brass Slotted Mass Set Glass Color_Transparent Heavy-base Bunsen burner adds stopcock

Heavy-base Bunsen burner adds stopcock gas control for fine flame adjustment during chemistry experiments with liquid propane or butane fuel

stacking securely for force

Safety-plug 150mm black 4mm-stackable lead rated to 12A with shrouded contact pins

sized for side-by-side strength comparison against the chrome-steel cylindrical series of similar dimensions

sized for compass-deflection and small-scale field-line investigations

12-Piece Solid Brass Slotted Mass Set Glass Color_Transparent Heavy-base Bunsen burner adds stopcockTwelve piece brass slotted mass set spanning 1 to 500 grams, stackable on a slotted hanger for fine grained force and mechanical advantage investigations with a 1110 gram total capacity.