SPC Alignment Hole Slot-Punch Tools elongate mount holes on up to 0.135 in. thick material for a broader range of caster or camber adjustment. Each Alignment Hole Slot-Punch features tight tolerances and high-quality bearings, assuring these tools last! The SPC Alignment Hole Slot-Punch Tools include a draw nut, die block, punch cutter, and draw stud, giving you all the pieces you need to complete the job.