7.9 in x 8.2 in (BT-02856), 4.1 in x 4.3 in (BT-02863), 5.4 in x 5.6 in (BT-02869), 2.6 in x 2.7 in (BT-02997), 3.6 in x 3.7 in (HS-02856), 4.8 in x 5.1 in (HL-02856)