Peristaltic pump 12V brushless dc motor high flow rate 600ml/min adjustable speed liquid dosing pump Kamoer KPHM600 series 6.4 mm ID x 9.6 mm OD: Amazon.com: Industrial & Scientific
DC Barrel Plug Adapter to 6.4mm x 4.4mm from 2.1 x 5.5mm — AC-DC PowerShack
19.5V 4.1A 80W Replacement Power Supply Ac Charger Adapter for Sony PCGA-AC19V1 PCGA-
Gyros 6.4 mm Premium Industrial Grade High Speed Steel Black Oxide Metric Drill Bit (12-Pack) 45-42082 - The Home Depot
Laptop Ac Power Adapter Charger for Sony Vaio PCG-3E7P PCG-3F1L PCG-3F1P | eBay
Amazon.com: 3M Smooth Transition Tape 06800, Easy Application, Center Adhesive, 1/4 in x 30 ft (6.4 mm x 9.14 mm), 5 rolls per carton : Tools & Home Improvement