US$ 21.95
with 4mm sockets at each end for resistivity comparison
Twelve 50 x 25mm metal strips - each stamped with a key letter for blind-test identification - cover the standard set of metals used in magnetic-property classification labs
fabricated from glass tubing 6 mm bore
Wider-apex 30° x 75° x 75° glass wedge prism
6" Cast Iron Closed Ring with Boss Head Clamp Base Size_6 x 4" with 4mm sockets at eachCast iron closed ring clamp with an integrated boss head, combining an approximate 5. 5 inch inner diameter with a rod grip up to 5 8 inch for large vessel support above heat sources.