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Example
SP49A product ref
3.5g 18ct weight
C price band
SP49 SERIES
PIERCED SHOULDER SHANKS
3.9mm The dotted lines show the shoulder height of the shank
CRS / SP49
CX3 / SP49
3.9mm
4.3mm
4.7mm
SP49A 3.5g C
SP49B 3.5g C
SP49C 3.5g C
SP42 SERIES
SPEAR SHANKS CRU / SP42
CR30 / SP42
5.1mm
6.7mm
6.9mm
SP42A 3.8g C
SP42B 4.0g C
SP42C 4.1g C
SP52 SERIES
CHEVRON SHOULDER SHANKS CR32 / SP52
CX18 / SP52
4.0mm
4.6mm
SP52A 3.0g C
SP52B 3.0g C