Toy: Thin Brass Tube, 4.5 mm x .225 mm (3) - K&S Engineering

BISS: SMC KQ2S04-M5A Brass Push-to-Connect Tube Fitting, Hex Socket Head Adapter, 4 mm Tube OD x M5x0.8 Male - SMC Corporation of America

Home Improvement: Blue 19 Meters 62.3ft 4mm x 2.5mm Polyurethane PU Air Hose Tube - Amico

Office Product: Pentel Super Hi-Polymer Lead Refills, 0.5 mm, 90 Pieces (C25BPHB3-K6) - Pentel

Wireless: Acoustic Hollow Air Tube 3.5mm Anti-radiation Earphone with Mic and on Off Answer Switch Compatible with iPhone 4 4S, iPhone 5 5S 5C, Samsung Galaxy S3 S4 S5, Samsung Galaxy Note 2 Note 3 - generic

Pet Products: Jardin 4-Way Outlet Air Flow Control Lever Pump Valve for Aquarium, 5mm Tube Diameter - Dragonmarts Co. Ltd. / Uxcell

BISS: Legris 3109 04 20 Nylon & Nickel-Plated Brass Push-to-Connect Fitting, 90 Degree Elbow, 5/32" or 4 mm Tube OD x #10-32 UNF Male - Parker Legris

Art and Craft Supply: Beadsmith 4 Color Variety Pack Plated Crimp Beads 2x2mm (500 Total) - Beadsmith

Automotive Parts and Accessories: High Performance Silicone Vacuum Hose - 5 feet - 5/32" ID (.156"/4mm) - Black - NXS Motorsports

Sports: Leupold VX-3 4.5-14x50mm (30mm) Side Focus Varmint Hunters - Leupold

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