敲击头将冲击力通过特殊阻尼系统传到刀刃上，从而可以简便的上手防止回弹把手末端柔软材质，可以将手上的力充分的传递到刀杆上对于生锈的螺丝，可以通过活动扳手夹住刀刃末端的助力六方实现增加扭力 2154SK 3,5 1845209 3C-Screwdriver wITh striking cap 3.5 mm 2154SK 4,5 1845217 3C-Screwdriver with striking cap 4.5 mm 2154SK 5,5 1845225 3C-Screwdriver with striking cap 5.5 mm 2154SK 6,5 1845233 3C-Screwdriver with striking cap 6.5 mm 2154SK 8 1845241 3C-Screwdriver with striking cap 8 mm 2154SK 10 1845268 3C-Screwdriver with striking cap 10 mm 2154SK 12 1845276 3C-Screwdriver with striking cap 12 mm 2154SK 14 1845284 3C-Screwdriver with striking cap 14 mm