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Element NO. | A(in) | B(in) | C(in) | D (in) | Swing dia(in) |
550-111 | 2-1/2 | 3-7/8 | 2-1/4 | 9/16 | 12 |
550-222 | 3 | 4-5/8 | 2-3/4 | 5/8 | 10-15 |
550-333 | 3-3/8 | 5-1/8 | 3 | 3/4 | 13-18 |
550-444 | 4 | 6-1/4 | 3-5/8 | 7/8 | 14-20 |