规格齐全 1/2大飞、3/8中飞、1/4小飞 72齿、24齿规格齐全供您选择 THE REOUIRED TORQUE CAN BE ADJUSTED ACCORDING TO DIFFERENT WORK 1/2大飞 (12.5mm) 3/8中飞(9.7mm)》 9 1/4小飞(6.3mm) *如需配套套筒麻烦联系在线客服