Hikoki Quiet Drive impact driver | Mafell Users Forum
Makita Australia - 18V Brushless Oil Pulse Impact Driver - DTS141 The impact mechanism is encased in oil significantly reducing the noise output of the driver! Check it out: bit.ly/DTS141 | Facebook
Oil-pulse Impact Drivers | Wood
Makita's first Oil Pulse 'hydraulic' impact driver cuts noise and vibration - Installer Online
Makita 18V LXT Lithium-Ion Brushless Cordless 3-Speed Impact Driver with Oil -Impulse Technology, 2-Pack 4.0Ah Battery, Charger, and Case - XST01M