Mondis 20V Brushless Impact Wrench 1/2. 530nM of Nut Busting Torque. Mondis 20V 1/2 Cordless Impact Wrench - Lithium Snap On style Rattle Gun #. This is our latest (Generation 3) offering. 1 x 1.5 amp Amp Batteries (4 amp also available). Chromium-vanadium Impact Sockets: 17,19,21,22mm. Low Speed: 0-2000 PRM, 0-2600 BPM. High Speed: 0-2200 PRM 0-3000 BPM. Nut Busting Torque: 513 N. Battery: 1.5 Ah Li-ion. Non-Marging Impact Sockets to suit available. I rattled up the bolts with it and then hung off the bolts with a spanner and they wouldn't budge at all. The wrench is too good especially for areas you cant fit a spanner in etc like today's job. The item "Mondis 20V 1/2 Cordless Impact Wrench Lithium Snap On style Rattle Gun" is in sale since Friday, November 29, 2019. This item is in the category "Home & Garden\Tools & Workshop Equipment\Power Tools\Impact Wrenches". The seller is "toolsandhome" and is located in Western Australia.