The park tool sw 7 triple spoke wrench a handy tool that fits the three most common nipple sizes fantastic tool for workshops toolboxes races or carrying out on those long day rides park tool sw 7 triple spoke wrench features size 0 for 322 mm 0127 inch nipples size 1 is for 33 mm 0130 inch nipples size 2 is for 345 mm 0136 inch nipples