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Shear Size & Fit — Start With The Full Guide

One sizing answer lives on one page: lengths, hand fit, and handle geometry.

By James Adams Updated

Two shear diagrams comparing overall tool length with pivot-to-tip blade length.
Left: the overall tool span. Right: the shorter pivot-to-tip span. Use the maker’s stated measurement convention when comparing sizes.

Sizing a shear is answered properly in one place, and that place is the full Size Guide: 5.0” to 7.0” Explained — length by technique, matching length to hand, the handle-shape check, two-shear kits, and a sensible buying order.

The three rules that fit on any page:

  1. Lengths here are whole-shear (tip to end of the rings) unless a product record says blade length — compare like for like.
  2. The only chart that matters is your hand: rings filled, five open-close reps, and no tip-dip on level ground.
  3. Buy the length for the technique you repeat most, then add a second size for the other half of the book — not the other way around.

Adjacent pages: handle geometry, described as geometry · convex vs bevel · the selection checklist · filter by length.