Each Heat-On Block is a stand-alone product that can be placed directly onto the stirring hotplate
This unique Multi-Well Holder is designed to hold either one or two inserts for flasks (only accepts one 150-ml insert)
The inserts are available for 10-ml, 25-ml, 50-ml, 100-ml and 150-ml flasks. Flask inserts also feature cut-away sides for use with two or three neck flasks and accept the optional safety lifting handles.
Heat-On safety lifting handles