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Shark Fin Strap：Applicable to:
ZF Factory RM055
BBR Factory RM35-01 RM35-02, Ceramic model RM055
SONIC Factory RM35-01 RM35-02
T+ Factory RM35-02
VVS Factory RM12-01
R7 Factory RM 35-02
The strap comes in two sizes:
M ：75mm×105mm
L ：85mm×115mm
