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lightweight steel folding ladder huh... let's just make it yourself, more economical, 1.5 meters long, straightened can be a regular ladder 3 meters long,, *a little correction for a straight position, another steel plate must be added, to make it stronger and not bent, can be doubled back and forth C channel on the top,,, HOPEFULLY USEFUL Follow IG: @tukangjadijadian follow facebook / agus.tukangjadijadian Size and material details: C channel steel: 153cm = 4x 45 cm = 8x 50 cm = 2x 37 cm = 5x hollow 4x2 52 cm = 2x estimated cost of C channel steel total 1,257cm x Rp.125 = Rp.157,125, - Hollow 4x2 = Rp. 5,000, - steel bolts + rivets = Rp. 10,000, - hinges = Rp. 15,000,- TOTAL COST approx. = Rp. 187,125,-