It securely holds the slotted nut to prevent spinning when tightening or loosening the bolt. Life Is Better On A Bike. The CNW-2 makes chain ring bolt installation and removal easy. Double-ended to fit most slotted-type nuts.
Park Tool Park Tool PCS-10.3 Deluxe Home Mechanic Repair Stand - Without Box
Park Tool 104 - Work tray - for Park Tool repair stands (except oversize)
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