Flat on the inside and rounded on the outside.
D – D Shape Profile 1.7mm deep at centre
SIZES
J-P – 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm
Q-Z – 3.0mm, 4.0mm, 5.0mm, 6.0mm, 8.0mm
Flat on the inside and rounded on the outside.
D – D Shape Profile 1.7mm deep at centre
SIZES
J-P – 2.0mm, 2.5mm, 3.0mm, 4.0mm, 5.0mm
Q-Z – 3.0mm, 4.0mm, 5.0mm, 6.0mm, 8.0mm
