The Makita DRT50 router/laminate trimmer comes with a trimmer base which is a round base for smooth and fast cutting with an enlarged opening for excellent bit visibility. Features and Benefits: Collet Capacity - 9.52mm (3/8") and 6.35mm (1/4"). Plunge Capacity Trimmer 0-40mm. Plunge Capacity Plunge 0-35mm. Brushless motor. Soft start. Variable speed control dial. Constant speed control LED job light Push button with lock on/off Connectable to dust extractor Aluminium base for higher durability and accuracy. Aluminium housing. Shaft lock. Collet Capacity - 9.52mm (3/8") and 6.35 (1/4") Supplied With: 1 x MAKPAC CONNECTOR CASE (TYPE 4) 1 x Trimmer base 1 x Straight guide 1 x Dust nozzle for trimmer base 2 x Hex wrench 1 x Collet cone 1 x Template guide for trimmer Bare Unit / Naked Machine only supplied without battery or charger