5pcs 12x30mm TO-18 5.6mm Laser Diode DIY Metal Housing Case w Adjustable Dot Focus Lens - LaserSE
Laser Diode Housing Chrome, Standard Pattern (12mm x 30mm long for 5.6mm diodes) - OdicForce
Laserland Focusable Housing/Case/Heatsink for 5.6mm TO18 Laser Diode LD Module with Fan
3pcs Silver Metal Laser Diode Housing 12x40mm for 5.6mm To-18 Laser Diode with 200-1100nm Collimating Lens- Buy Online in Israel at Desertcart - 24658703.