1 Single lock channel {1 x access point} 
2 Lock channel with strongest 2.5mm protection lip {to hinder prying tools}
3 1.6 mm steel top and bottom channel
4 Hook lock
5 solid semi tubular rivet going right through the tubing in strategic
   places adding substantial strength
6 single steel uprights
7 four rows of thick 3mm steel flights
8 3 hinges

1 Double lock channel {2x access point} 
2 Lock channel with strongest 2.5mm protection lip {to hinder prying tools}
3 1.6 mm steel top and bottom channel
4 slam en hook lock
5 solid semi tubular rivet going right through the tubing in strategic
places adding substantial strength
6 single steel uprights
7 four rows of thick 3mm steel flights
8 4 hinges
 

1 Double lock lockchannel {2 x access points}
2 Lock channel with strongest 2.5mm protection lip {to hinder prying tools}
3 Magnetic lock with button
4Aluminium extruded top track with lip protection {to hinder prying tools}
5 Aluminium extruded bottom track
6 four rows of thick 3mm steel flights
7 Double steel uprights
8 2x hook locks
9 Steel roller bearings throughout
10 steel twinlegs 8mm thick
11 Solid semi tublar rivets going through the tubing in strategic
places adding substantial strength

1 Build into own frame

2 15.7mm Square cubing

3 fasten with rivits into frame