Skil 2354-05 iXO 4-volt Max Lithium-Ion Driver Combo Kit with Versatile Cutter Attachment and 5-Piece Bit Set SiteLight LED for greater visibility Forward/Reverse Indicators to indicate driving direction 4-Volt Max Lithium-Ion Battery: Holds a charge for up to 18 months 1/4-Inch Hex Bit Holder for fast and easy bit changes Innovative Cutter Attachment: Cuts through hundred of materials