Bicycle Spoke Wrench Nipple Sizes 3.2mm/0.127 "3.3mm/0.130 "3.4mm/0.136 More multi-standard spokes adjustment Good for: tools on the numbers 0 : 3.2mm/0.127 "of the cap, No. 1 : 3.3mm/0.130 "of the cap, No. 2 : 3.4mm/0.136 "of hats, No. 3 : 3.9mm/0.156 "of the cap Scope: Bicycle Wheels Dimensions: Length 45 * W 39 * 14mm thick Weight: about 45 grams Fits the four most popular spoke nipple sizes ASE: .127 ", .130", .136 ", .156" Metric: 3.2mm, 3.3mm, 3.4mm, 3.9mm