Black decker corded pole saws black decker ps7525 gb p this corded pole saw from black decker has a pivoting head to maximise access and ease of cutting even in the most hard to reach places the integrated auto oil system lubricates the chain for reduced wear and greater cutting efficiency and the large oil tank has a viewing window to minimise spillages when filling p p the saw can be extended up to 2 7m in length to reach overhead branches and has a large cutting capacity up to 25cm