Unique Four-Sided Spoke Wrench design provides extra strength and support when truing wheels Features Design helps prevent slipping and deformation of aluminium nipples under high load The SW-40 is the same 3.23mm/0.130 inch size as the black handled SW-0 The SW-42 is the same 3.45mm/0.136 inch size as the red handled SW-2 Made in the USA and covered by Park Tool's legendary limited lifetime warranty
