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Old 12-05-2012, 3:53 PM
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kmca kmca is offline
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There are some 4 sided knobs:
http://www.mcmaster.com/#machine-com...-knobs/=kgs928
http://www.mcmaster.com/#steel/=kgsafk

Last edited by kmca; 12-05-2012 at 3:57 PM..
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