Line Indexhttp://localhost:3058Small packs. Clear choices..A 0.7 mm point is not our measured line widthhttp://localhost:3058/guides/tip-size-not-measured-line/http://localhost:3058/guides/tip-size-not-measured-line/Keep the catalog point size separate from the mark on your own paper.Fine and medium need a product family beside themhttp://localhost:3058/guides/fine-medium-across-families/http://localhost:3058/guides/fine-medium-across-families/A word on a catalog is less specific than the exact model and declared size.Find the exact refill family before comparing pricehttp://localhost:3058/guides/exact-refill-model/http://localhost:3058/guides/exact-refill-model/BL77 and SXS15 use different manufacturer-listed refill families.A chisel tip offers two marking orientationshttp://localhost:3058/guides/chisel-edge-and-broad-face/http://localhost:3058/guides/chisel-edge-and-broad-face/Broad and fine descriptions do not supply a tested numeric width.Read the ink family before assuming a surface usehttp://localhost:3058/guides/ink-family-before-surface/http://localhost:3058/guides/ink-family-before-surface/Liquid gel, highlighter and permanent-marker names answer different questions.Retractable design does not establish an unlimited open lifehttp://localhost:3058/guides/capless-does-not-mean-unlimited/http://localhost:3058/guides/capless-does-not-mean-unlimited/Manufacturer seal claims are distinct from a measured drying or lifespan result.A four-pack price needs a four-piece denominatorhttp://localhost:3058/guides/single-versus-four-pack/http://localhost:3058/guides/single-versus-four-pack/The current official single and yellow four-pack are nearly equal per item.A cheaper refill is not a complete new penhttp://localhost:3058/guides/refill-cost-versus-new-body/http://localhost:3058/guides/refill-cost-versus-new-body/Compare replacement options only after the body and refill family are known.Paper weight alone does not certify an ink pairinghttp://localhost:3058/guides/paper-weight-not-ink-clearance/http://localhost:3058/guides/paper-weight-not-ink-clearance/A paper number does not replace evidence about the exact pen and surface.Highlighter-over-gel behavior is an untested pairing herehttp://localhost:3058/guides/highlighter-over-gel-ink/http://localhost:3058/guides/highlighter-over-gel-ink/Do not turn quick-dry language into a measured smear-free promise.Count bodies, refills and colors separatelyhttp://localhost:3058/guides/pack-count-and-writing-units/http://localhost:3058/guides/pack-count-and-writing-units/A mixed pack can have several useful quantities rather than one universal count.Check the form or institution rule before choosing a penhttp://localhost:3058/guides/document-rules-before-pen-choice/http://localhost:3058/guides/document-rules-before-pen-choice/A product label does not establish acceptance for every official document.An assorted pack may not cover a single-color targethttp://localhost:3058/guides/assorted-pack-color-count/http://localhost:3058/guides/assorted-pack-color-count/Total pieces and required-color pieces are different denominators.Build a stock plan by required color and known counthttp://localhost:3058/guides/desk-stock-by-color/http://localhost:3058/guides/desk-stock-by-color/User-entered allocation replaces an invented pen-consumption forecast.Permanent and washable claims need an exact producthttp://localhost:3058/guides/permanent-washable-not-by-color/http://localhost:3058/guides/permanent-washable-not-by-color/Color and housing do not establish removal or surface behavior.Keep the body code when the first cartridge is emptyhttp://localhost:3058/guides/keep-body-and-refill-record/http://localhost:3058/guides/keep-body-and-refill-record/A small identity record makes a later refill lookup possible.Read a certification claim at its exact product scopehttp://localhost:3058/guides/non-toxic-scope/http://localhost:3058/guides/non-toxic-scope/A listed highlighter SKU does not certify every pen or every use.An unlisted body stays unverified in the refill finderhttp://localhost:3058/guides/unknown-refill-is-not-a-match/http://localhost:3058/guides/unknown-refill-is-not-a-match/A narrow lookup is more useful when its boundary is visible.Reorder quantities without inventing a writing lifetimehttp://localhost:3058/guides/reorder-quantity-not-lifetime/http://localhost:3058/guides/reorder-quantity-not-lifetime/Allocation and observed stock do not predict pages, months or meters of use.Three dated official US offers, with different selling unitshttp://localhost:3058/guides/three-official-us-offers/http://localhost:3058/guides/three-official-us-offers/A complete gel pen, a gel refill and a highlighter are three distinct purchases.