8 x 8 mm, dt = 39-69 mm . no. 74040AB 8 x 8 mm, dt = 58-82 mm . no. 74040CD 8 x 8 mm, dt = 82-106 mm . no. 74040EF
9 x 9 mm, dt = 39-69 mm . no. 74043AB 9 x 9 mm, dt = 58-82 mm . no. 74043CD 9 x 9 mm, dt = 82-106 mm . no. 74043EF
