Insert Product Specification Part No. Tube OD Tube Wall 11218 1/8 0.016 11219 1/8 0.023 11220 3/16 0.025 11221 3/16 0.04 11222 1/4 0.04 11223 1/4 0.062 11224 5/16 0.04 11225 5/16 0.062 11226 3/8 0.062 11227 1/2 0.062 11228 5/8 0.062