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Your Otto System Order

The Otto System comes in four standard sizes for full, half, quarter and eighth standard sheets.  Consider saving money by purchasing a Combination Pack which includes several sizes.

Everything you need to stretch watercolor paper is included in your purchase.  You will receive 4 clamp bars with stainless steel fittings, the loop handled wrench (which is the only tool you will need), 1/2 inch lightweight coreboard panel material, and printed instructions.

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Otto Stretcher

No. 1  The Original Stretcher for Watercolor Paper