"Application Method 1 Adjust distance Turn the scerw of the spring bar tool to adjust the distance between the pins which are slightly larger than the groove distance of the watch. 2 Choose Pins The Watch Removal Repair Fix Kit contains 5 sets of 10 pins,please choose the appropriate pins according to needs 3 Remove or Repair using the spring bar plier tool to clamp the grooves on both sides of the lugs to contract the springs inside the lug sand the lower lugs can be removed. 4 Intall To clamp both sides of the lugs to fully contract the ears, then put strap into the grooves of the watch to jam"