Item número. | A(em) | B(em) | C(in) | D(in) | Diâmetro de giro (polegadas) | |
550-101 | 250-101 | 1 | 1/2 | 29/64 | 1-1/2 | 16/03-02/01 |
550-201 | 250-201 | 1-1/8 | 5/8 | 1/2 | 1-3/4 | 1/4-5/8 |
550-301 | 250-301 | 1-7/16 | 3/4 | 5/8 | 2-1/8 | 1/2-3/4 |
550-401 | 250-401 | 1-23/32 | 1 | 3/4 | 2-1/2 | 1/2-1 |