These are semi-rigid with a slight flex to them. These will not bend at a right angle much less will they bend in half.
"TYPE A" Screw Tip
DUAL SPURS FOR FASTER, CLEANER HOLES AND LESS BREAKOUT
HOLE IN FLUTE FOR EASY WIRE PULLING THROUGH WALLS, CEILINGS AND FLOORS
3-FLATTED SHANK PREVENTS SLIPPING IN DRILL CHUCK AND INCLUDES HOLE FOR WIRE PULLING
3/16" FLEXIBLE SHAFT