Builder's Best Periscope 18-29″ Grass Trimmers Heavy-duty square shank for wrench

Heavy-duty square shank for wrench assisted turning

Hole sizes and decimal equivalents etched on face

For general construction

Maximum Security 4 Pin Tumbler

Made of smooth

Builder's Best Periscope 18-29″ Grass Trimmers Heavy-duty square shank for wrenchThe 18 29 Periscope is used for close clearance dryer transition duct. It solves situations where the dryer needs to be closer to the wall and the outlet is within 18 29. The smooth interior decreases air friction for excellent airflow. Made of 2 x 6 rigid 26 gauge aluminum One 4 male, crimped rotating snap lock collar fits into wall outlet One 4 female, draw band rotating collar fits over dryer outlet Two sections telescopes from 18 29 Reaches the