Amazon.com: ModMyMods 3mm ID x 5mm OD PVC Tubing - Clear (55000) : Industrial & Scientific
Amazon.com: uxcell Carbon Fiber Round Tube 7mm x 5mm x 800mm Carbon Fiber Wing Pultrusion Tubing for RC Airplane Quadcopter 2 Pcs : Industrial & Scientific
Amazon.com: X-DREE 9M Length Flexible Corrugated Hose Tubing 10mmx6.5mm for Pond Pump Filter(Tubo flessibile ondulato flessibile da 9 m di lunghezza 10mmx6.5mm per filtro pompa per laghetto : Everything Else
CynKen 2pcs OD 5mm x 4.5mm ID Stainless Pipe 304 Stainless Steel Capillary Tube Length 400mm: Amazon.com: Industrial & Scientific
IIVVERR Fiberglass PVC Insulated Sleeve Tube Sleeving Tubing 5mm Dia 50cm 6pcs (Tubo de manga aislante de fibra de vidrio, PVC, tubo de 5 mm de diámetro, 50 cm, 6 piezas - - Amazon.com
RESALET Round Copper Tube, 2mm 3mm 4mm 5mm 6mm 7mm OD x 0.5mm Wall Thickness 300mm Length Seamless Straight Pipe Tubing, Pack of 6 Pcs: Amazon.com: Industrial & Scientific
Amazon.com: VictorsHome Silicone Tubing, 5mm ID x 8mm OD, 3.3ft (1m) Length, Flexible Silicone Rubber Tube Water Air Hose Pipe for Pump Transfer Black : Industrial & Scientific
Amazon.com: uxcell 6063 Aluminum Tube, 4mm 5mm 6mm OD x 1mm Wall Thickness 300mm Length Seamless Round Pipe Tubing, Pack of 3 : Industrial & Scientific
uxcell 5mm x 6mm x 500mm Brass Pipe Tube Round Bar Rod: Amazon.com: Industrial & Scientific
NW 20pcs 2.5x18.5mm Industrial Hollow Small Steel Tube Stainless Steel Mini Axle Sleeve Metal Axle Frame: Amazon.com: Industrial & Scientific