The Makita DFS251 is an 18v Brushless TEK Screwdriver designed to suit the needs of roofers and fencers ideal for self drilling screws. Its a high powered, high torque, brushless screwdriver allowing more work on a single battery with push drive technology - meaning the motor only starts rotating at full speed only when screws are inserted into a board and load is placed on the screw tip. Model DFS251 is a cordless screwdriver powered by 18V Li-ion battery and has been developed based on the current model DFS452. Push drive auto engages motor saving battery life Durable aluminium gear housing with smooth high durability clutch 2,500rpm no load speed delivers high torque performance One touch locator allows for easy locator installation / removal Twin LED Job light with after-glow.