Creek Bank Creations J Block. We designed this wood block to hold your J brushes from Creek Bank Creations! This Stencil Brush Holder fits 8 brushes. The block measures 14.5"x 2.5"x2.5". It has 8 holes drilled in the top that measure 1 3/8". The block comes in unfinished wood. You can leave it unfinished or accent to your liking!