School Lab Plastic Hooked Weight Set

School Lab Plastic Hooked Weight Set

This weight kit is perfect for checking the accuracy of your precision digital or mechanical scales.
This Plastic Hooked Weight Set is used for Iron steel material, chrome plated surface.

The use of black plastic as the main body, the top of the iron nickel hook, the lower part of the slot there is a cross linked to the string hook code. 

Include: 10x10g

The above hook code is installed in a 163*101*26mm blue plastic box.