Hi Grumpy,thanks for that. Lost the lottery, think my bad week is turning out to be a coulpe of bad weeks now. But chin up keep going. Curious question,i am unable to find my good set of feeler guages ( think some one has "borrowed" them ) but have found an old set but they are in mm. for example 0.15mm. Have used my digital vernia calipas and worked out that 0.06mm + 0.04mm add up to 0.004" . Just want to make sure this is correct before i go ahead. Please correct me if i'm wrong. Thanks Paul.