SGP-3:爪開長度40~ 75mm;爪深度60mm
SGP-4:爪開長度50~100mm;爪深度70mm
SGP-5:爪開長度50~125mm;爪深度 80mm
SGP-6:爪開長度60~150mm;爪深度120mm
SGP-8:爪開長度80~200mm;爪深度175mm
SGP-10:爪開長度100~250mm;爪深度190mm
SGP-12:爪開長度120~300mm;爪深度215mm
SGP-15:爪開長度150~375mm;爪深度310mm
SGP-18:爪開長度180~450mm;爪深度290mm