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Description
A brass ball, 25mm dia. passes neatly through ring at room temperature.
Expansion of the ball when heated prevents this.
NOTE: The ball and ring have separate handles.
BALL & RING APPARATUS
$ 12.65 excl. GST
A brass ball, 25mm dia. passes neatly through ring at room temperature.
Expansion of the ball when heated prevents this.
NOTE: The ball and ring have separate handles.
Out of stock
