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Wax patterns are sprued and mounted on sprue bases prior to investing. Bases are available in three different designs and various sizes to fit the desired flask size.

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Rubber Sprue Base  2-1/2" Sprue Base 2-1/2"
Our Price: $2.95
Sale Price: $2.03
You save $0.92!
Rubber Sprue Base  3" Sprue Base 3"
Our Price: $6.00
Sale Price: $4.17
You save $1.83!
Rubber Sprue Base  3" Sprue Base 3"
Our Price: $2.95
Sale Price: $2.21
You save $0.74!
Rubber Sprue Base  3 1/2" Sprue Base 3-1/2"
Our Price: $3.75
Sale Price: $3.38
You save $0.37!
Rubber Sprue Base  3 1/2" Sprue Base 3-1/2"
Our Price: $7.00
Sale Price: $5.75
You save $1.25!
Rubber Sprue Base  3 1/2" Sprue Base 3-1/2"
Our Price: $2.65
Sale Price: $2.15
You save $0.50!
Rubber Sprue Base  4" Sprue Base4"
Our Price: $4.73
Sale Price: $3.75
You save $0.98!
Rubber Sprue Base  4" Sprue Base 4"
Our Price: $3.10
Sale Price: $2.33
You save $0.77!
Rubber Sprue Base  4 1/2" Sprue Base 4-1/2"
Our Price: $5.60
Sale Price: $4.53
You save $1.07!
Rubber Sprue Base  5" Sprue Base5"
Our Price: $5.55
Sale Price: $4.74
You save $0.81!
Rubber Sprue Base  5" Sprue Base 5"
Our Price: $5.95
Sale Price: $4.82
You save $1.13!