3 x Spreader Arm @ 430 CM Total Extendable Length

IMPORTANT NOTE: I recommend leaving 10CM of each tube inside when extending

Each arm consists of three tubes as shown below.

Tube One
Tubing Outside Diameter: 25.mm
Tubing Inside Diameter: 19mm
Tubing Length 150CM
10cm x 28.5mm OD (1 1/8") Aluminium Ferrule Fitted to protect against crushing by U-Bolts
Tubing Wall Thickness 3mm

Tube Two
Tubing Outside Diameter: 19mm
Tubing Inside Diameter: 13mm
Tubing Length 150CM
Tubing Wall Thickness 3mm

Tube Three
Tubing Outside Diameter: 12.7mm
Tubing Inside Diameter: 6mm
2.5cm Ferrule and Stainless Steel Screw fitted to attach support cords to and protect against splitting
Tubing Wall Thickness 3mm
2.5cm x 15.8mm OD (5/8") Aluminium Ferrule Fitted with Stainless steel coach screw fitted to attach support cords to or to just to protect the ends from splitting.
 
You will also need
1 x 13 - 20mm Size 20 HI-GRIP STAINLESS Hose Clips Per arm
1 x 17 - 25mm Size 25 HI-GRIP STAINLESS Hose Clips Per arm