Foil point screws. Compatible with german parts. NOTE the important points when screwing in the screws. 1. WHEN THE SCREW STARTS TO TIGHTEN THE BOTTOM, FIRST THE TOP IS PRESSED RIGHT INTO THE BOTTOM, SO THAT THE "BRIDGE" FIRST GOES DEEP ENOUGH, BUT IT HAS TO RISE FROM THE BOTTOM A LITTLE SOMEWHAT. THEN THE SCREW WILL REACH THE OBSTACLE AT THE CENTER OF THE BRIDGE, AND NO FORCE IS REQUIRED TO TURN IT. IF THE SCREW HIT ANY EDGE OF THE BRIDGE, THE BRIDGE WILL BE PRESSED INTO AN OVAL AND AT LEAST THE STUD WILL PROBABLY NEED TO BE REPLACED. 2. IF THE SCREW HAS TO BE TURNED BY FORCE, YOU HAVE PROBABLY SCREWED IT ANGLE AND CAUSED A FAILURE, WHICH MAY BE THE ONLY WAY YOU CAN SURVIVE BY REWIRING THE BLADE. THE TIP BUSHING IS DAMAGED. 3. THE USER OF NEPS SCREWS AND CHISELS AVOIDS THIS PROBLEM AS THE SCREW GOES STRAIGHT INSTANTLY AND WITH ALMOST ABSOLUTE ASSURANCE.

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