23G needle with 12 inch flexible tubing. With safety shield designed to active while the needle is being removed from the vein, audible click asures that mechanism is engaged. Pk 50, Cs 1000
Super Magnet Classroom Lab Kit, Includes: 100 magnet, 5 magnetic marbles, 7 magnetic wands, 2 metal bar magnets, 2 metal ring magnets, 2 mini horseshoe magnets, 1 large plastic horseshoe magnet, activity guide, storage box