- Buy 50 for $5.85 each and save 10%
13mm hook collar is useful for hanging cords, masses, pulleys, balances etc. from a support or cross rod. Solid nickel plated collar with adjustable hook has a knurled screw which makes it easy to securely tighten.
Products being sold are not toys. They are for Educational / Laboratory use only. They are not for use by children 12 and under.