Dia:6.0mm,Hex 7.0mmH,1.0/2.0/3.0/4.0/5.0/6.0mm GH. Regular-D6.0 GH1.0mm Hex(GSTA-6710R). Regular-D6.0 GH2.0mm Hex(GSTA-6720R). Regular-D6.0 GH3.0mm Hex(GSTA-6730R). Regular-D6.0 GH4.0mm Hex(GSTA-6740R).
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