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Choose from 8 sizes fitting the following flask diameters: 121.825 1-3/4"/45mm 121.824 2"/50mm 121.826 2-1/2"/65mm 121.827 3"/75mm 121.828 3-1/2"/90mm 121.882 3-3/8" 93mm 121.829 4"/100mm 121.830 5"/125mm These are the tree type rubber sprue bases with a center hole that will fit a 3/8" sprue wax like our number 121.508 or 121.524.
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🇺🇸 Ship from USA · On Agora since 2025
$4.50