Lightwavestore.com > 1.3um Analog Lasers > 1310nm 10mW DFB analog laser module. 14-pin butterfly. AOI P/N: DFB-1310-BF-10-A4-SA-509. With SC/APC fiber connector.
8-1/2" x 11" Laser Cut Sheet,20# Stock, Perf every 3-2/3" (Carton of 2500)
M12 Laser Photoelectric Switch NPN M12JG-30N1 Laser Sensor Switch Waterproof DC 20 meters Distance Normally Open B-NPN-O - AliExpress
20 cm Focus 60 Deg 520 nm Class 1M Green Crosshairs Laser Module w/ TT
Alliance, Perforated and Punched Laser Cut Sheets, 44-Hole Side Punched, 20 lb. Bond Weight, 8.5 x 11, White, 500/Ream | Bundle of 10 Reams, Paper - Walmart.com