Amazon.com : NEJE E40 Laser Module for Engraver and Cutter, 11W+ Output, FAC Tech - 2 x Beam, 0.06x0.06 Fixed Focus Spot, Built in High Pressure Air Assist : Arts, Crafts & Sewing
Stabila 03420 LAX 600G Green Beam 3 Plane x 360° Laser 7-Piece Kit
Amazon.com : NEJE A40640Ⅱ Laser Module, 10W+ Output Power, FAC Tech - 2 x Beam, Built in High Pressure Air Assist, Come with Metal Nozzle, Compatible with Laser Engraver and Cutter :