詳細規格及用途描述 Content: 9pcs 1/2"DR. x 55mm(L) : 5,6,7,8,10,12,14,17,19mm 8pcs 1/2"DR x 100mm(L) : 5,6,7,8,10,11,12,13mm 7pcs 1/2"DR. x 140mm(L) : 5,6,7,8,10,12,14mm 6pcs 1/2"DR. x 200mm(L) : 5,6,7,8,10,12mm