18-Volt LXT Sub-Compact Brushless Impact Driver Kit with ImpactXPS Impact Socket Set and ImpactXPS 60 Pc. Impact Bit SetDo more with less. The Makita 18 Volt LXT Lithium Ion Sub Compact Brushless Cordless Impact Driver (model XDT15R1B) is an ultra compact fastening solution with significantly less weight. The 18 Volt Sub Compact Impact Driver is part of a new class of compact, with the size and weight of lower voltage tools but with the performance, power and compatibility of 18 Volt. The expansive breadth of line of the Makita 18 Volt LXT Series means an 18 Volt