Tree Sprue Base


Long lasting rubber bases for spruing all types of trees. Various shapes and different diameters are available with all sizes of button holes. Flexible to fit flasks and provide a leak proof seal. Choose from 2", 2-1/2", 3" or 4" diameter sizes.

Note: it is recommended to use the #21829 4" diameter tree sprue base for casting flasks that are 4" diameter x 5" height.

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