New guide (Elke 2012) says 6b which is probably right. Quite polished.
lewiz - Lead O/S - 10/Feb/13
first climb in Tonsai!
akhutton88 - 2nd - 31/Dec/12
Hidden - Lead - Aug/12
Nice crux. Bit polished
Cheese Monkey - Lead dog - 03/May/12 with Vienna
bobtheclimber - Lead - 27/Aug/11
Hidden - Lead dog - 08/Jul/11
Oliver Branagan - Lead β - 15/Feb/11 with Jens
allydonald - Feb/11
milesfinbar - Lead β - 29/Jun/10 with sam
Previous experience of this route was a retreat from the middle as I lost all day light from once I had started climbing it. (6b in the latest guides - the steep crux section is SOLID for the original grade)
Oliver Branagan - Lead - 18/Feb/10 with Miles M, Liam D
Cat G - Jan/10
evyasb - Lead - 2010
Nicos - Lead O/S - 07/Oct/09 with Asif the Israeli
tew105 - Lead O/S - Sep/09
howlingbaboon - Aug/09 with Kimberly, Luke, Dianne
sonnenstern - Lead O/S - Jul/09 with Carlene Hill
markalmack - Lead O/S - 27/May/09 with Blair Campbell
vaseyman - Lead rpt - 05/Jul/08 with kris
quantized - Lead O/S - 09/Jun/08 with Mark Tullberg
climbingrick - Lead O/S - Feb/08
Hidden - Lead O/S - 10/Jan/08
Hidden - 2nd rpt - 10/Jan/08
Hidden - Lead RP - 20/Dec/07
Hidden - 2nd O/S - 16/Nov/07
Hidden - 2nd - 08/Jan/07
David Martin - Lead β - 08/Dec/06
arose - Lead - Dec/05 with Laura Driver
Brian Birtle - Lead O/S - 25/Nov/04
Hidden - Lead O/S - Apr/04