Lembe ma kwong
Bor pa step 2.5 m     (2500 mm)
Bor pa step ma oyabere i yub 3000 mm
Namba mi tyelo 13
Lat pa step 50 mm
Overhang pa step 50 mm

Thol mi step
Bor pa thwol 4167 mm
Kabedo mi step 39.8°

Dit pa step
Bor pa tyende 192 mm
Tung pa tyend 281 mm
Bor pa riser 142 mm