Alnico U-Shape Magnet, 115 x 20 x 8mm Light & Optics_Reflection & Refraction with both 4mm stackable sockets

with both 4mm stackable sockets and screw terminals so leads wire in without an adapter to either bench standard

and three low-friction nylon wheels for straight-line momentum experiments

Reel of 250-foot 24 SWG nichrome resistance wire

and sterilization without corroding under common laboratory reagents

Zinc alloy natural gas Bunsen burner with flame stabilizer ships with a 2-foot neoprene gas hose for quick bench hookup in chemistry classrooms

Alnico U-Shape Magnet, 115 x 20 x 8mm Light & Optics_Reflection & Refraction with both 4mm stackable socketsWide shoulder 115 x 20 x 8mm Alnico U shape with poles labeled and a keeper supplied, the broad pole faces giving a flatter field profile than narrow U shape models.