Set of 5pcs Screw Spring Group 5-14 inches)

5-14 inches)

the apparatus is compatible with microscopes for detailed and precise observations of smoke particles

Stackable Design: These bananas plug cables are stackable

the Cervical Collar Neck Support can also be used with spinal fixation plates and head fixators to relieve cervical fatigue

The inclusion of a real scorpion adds an element of fascination and curiosity to the specimen

Set of 5pcs Screw Spring Group 5-14 inches)Set of 5pcs Screw Spring Group 1N 5N 2N 3N 0. 5N For Physics Experiment Education Includes: 1 x 0. 5N Screw Spring, 1 x 1N Screw Spring, 1 x 2N Screw Spring, 1 x 3N Screw Spring, 1 x 5N Screw Spring. Premium Quality: This set is made of high quality and heavy duty springs. Designed for use in professional laboratories but is an ideal choice for science classrooms and household use. If you need custom order with different sizes design please contact