Taiwan Patent No. 166422 size: Ø5x3"(length 109mm) Ø5x4"(length 136mm) Ø5x5"(length 160mm) Ø6x4"(length 144mm) Ø6x6"(length 194mm) Ø8x6"(length 194mm) Ø8x8"(length 245mm)