Bare-Tool RotoZip RZ18V-1000 30,000 RPM 18-Volt Ni-Cad Cordless Spiral Saw (Tool Only, No Battery) 30,000 RPM Single Speed - 18V Dust resistant switch protects from excess dust buildup Quick release detachable handle Quick release foot can be adjusted for cuts up to 1" deep Compatible with Bosch 18V batteries and chargers