·套筒尺寸齐全:4,5,6,7,8,9,10,11,12mm3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8, 7/16", 1/2"·140mm长棘轮式扳手施力最轻便·搭配75及150mm长延长杆使用范围更广范