3480 - laboratory safety goggles - provides reliable protection against chemical splashes, dust, splinters, and droplets - encloses the eyes to provide lateral protectionmaterial: plastic
6522 - stopwatch - for precise measurement of time intervals - easy to use with start, stop, and reset functions - easy-to-read display for quick viewing of measurement results
9440 - laboratory timer - for reliable monitoring of time intervals - mechanical timer with simple rotary control - adjustable time range up to 60 minutes material: metal