6" Cast Iron Closed Ring with Boss Head Clamp Base Size_6 x 4" Used as the red-rail partner

Used as the red-rail partner to the 150mm black 4mm-stackable lead

Six-piece 3-inch optical lens set combining three double-convex and three double-concave glass lenses at 200mm

this insulated 4mm-stackable safety lead carries up to 12A through nickel-plated split-hollow pins for branched-circuit student work

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

6" Cast Iron Closed Ring with Boss Head Clamp Base Size_6 x 4" Used as the red-rail partnerCast 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.