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 base1 x Straight guide1 x Dust nozzle for trimmer base2 x Hex wrench1 x Collet cone1 x Template guide for trimmerBare Unit / Naked Machine only supplied without battery or charger