AlusionTM Mid Cell - One Side Open Available in 12.7 mm - 1/2" and 25.4 mm - 1” (click on images on right to see full size) ALFG-12.7-MD-1S (Top)12.7mm Top Side Open - 1/2" ALFG-12.7-MD-1S (Top) ALFG-25.4-MD-1S (Top) ALFG-12.7-MD-1S (Bottom) ALFG-25.4-MD-1S (Bottom) AlusionTM Mid Cell - Natural, as cast Available in 12.7 mm - 1/2" and 25.4 mm - 1” (click on images on right to see full size) ALFG-12.7-MD (Top)12.7mm - Top Side - 1/2" ALFG-12.7-MD (Top) ALFG-25.4-MD (Top) ALFG-12.7-MD (Bottom) ALFG-25.4-MD (Bottom)