Overview Reviews Product Description Use this 6" long tool to install and lock all Pro-Tech™ branded Drain Locks. Product Videos Custom Field Product Reviews Write a Review Write a Review × Pro-Tech Drain Locks Pro-Tech Wrench for use with Security Bolt, 6" Long Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *