Makita NZ - The Makita 18V LXT® Lithium-Ion Cordless Drywall Saw will give you straighter, more accurate cutting in vertical and overhead applications. It's designed to cut openings in drywall and plywood,
Makita DSD180Z LXT Cordless Drywall Cutter , Handy Saw 18V Max Li-ion Bare Tool | eBay