Your needs, this model
Does it fit your priorities?
Does its LED show when the point is sharp?
No. The page says the LED alerts users when the shavings receptacle needs emptying; it does not describe a sharp-completion signal.
What is the difference between the Performance 1772 and Principal 1773 receptacles?
Their catalog grids mark Large for Performance and Extra Large for Principal, but no volume measurement or expected emptying interval is given.
Does the six-size adjustment establish a particular pencil diameter?
No. The page gives a count of six settings but not the diameters, shaft profiles or minimum pencil length.
Can the maker’s 33x blade-life icon predict service life?
No baseline, test protocol, pencil conditions or duration is provided, so the ratio is not an individualized life estimate.
The SharpX Performance Electric Pencil Sharpener is listed as item 1772 in the 2015 X-ACTO-branded catalog. Its block is useful because it distinguishes this model from the adjacent SharpX Principal: both have a receptacle-full indicator and similar named cutter features, while the catalog assigns them different receptacle categories. It remains a historical item assessment, not a confirmation of any current listing or package.
Receptacle alert, not a sharpness light
The catalog says an LED indicator alerts users when the shavings receptacle needs to be emptied. It also says the model was engineered for high-volume usage in a classroom or large office and gives ETL-listed wording for the United States and Canada. This LED communicates a bin-maintenance state. The source does not say it lights when a pencil reaches a point, stops the motor when the bin is removed, or prevents a user from continuing to sharpen with a full container.
Other icons name a 33-times-longer blade-life claim, a Shavings Full Receptacle Alert, a Fly-Away Cutter that prevents over-sharpening, SafeStart operation, an adjustment for six pencil sizes, and School Use. A ratio without a comparison baseline or method is a promotional claim, not a lifespan prediction for an individual unit. The six-size adjustment does not give the actual six dimensions, and the fly-away wording does not define a point length or tolerance. SafeStart remains unexplained in this block.
Where it sits in the comparison grid
The highlighted grid labels Large Office and School use, Heavy frequency, Maximum performance gauge 16, a Large shavings receptacle, and a ten-year warranty band. These are the catalog's categories, not measured output, a bin volume, or a current warranty term. The high-volume phrase is a period manufacturer description; no sharpening-time trial or long-duration duty test accompanies it.
Compared with the SharpX Principal 1773 on the same spread, Performance 1772 shares the broad Heavy and Maximum-16 selections, the Large Office and School locations, the receptacle-alert LED, fly-away wording, SafeStart, and six-size adjustment. Its matrix marks a Large receptacle rather than the Principal's Extra Large category. That is an actual catalog distinction, but no dimensions or capacity measurement lets the reader translate it into emptying intervals. The Principal also calls its product a classroom/large-office high-volume model, so the page does not establish a tested speed or durability advantage for either one.
Fit and setup remain open questions
The historical item block says nothing about supported pencil diameter, shaft shape, minimum pencil length, graphite versus colored-pencil use, body dimensions, sharpening time, sound level, cord arrangement, voltage, or plug. The title “Electric” does not answer whether a particular item needs a specific electrical supply. Nor do the location or gauge categories answer whether a thick, short, triangular, or soft-core pencil is suitable.
The fly-away cutter claim suggests an over-sharpening-prevention feature, but not a calibrated stop or uniform point across cores. The receptacle alert is not evidence of a bin interlock. The warranty icon is a ten-year mark in a 2015 publication; it does not promise coverage for a used machine or a current seller's offer. Verify the exact manual, package and condition rather than borrowing details from a nearby model.
Why this remains a historical reference
The page gives the unsuffixed item number 1772 and a specific SharpX Performance name. It does not provide a SKU or crosswalk to SharpX Classic 1771, SharpX Portable 1770, or another later X-ACTO configuration. Similar branding alone is not enough to carry over an item number, cutter, adjustment range, or internal feature. No current availability or recall-free status is established here.
This assessment can help interpret the old catalog's alert, cutter, usage, and receptacle claims when identifying an existing item. It cannot support a present-day recommendation or tell a buyer whether the exact pencil will fit. For an old machine, use its own label and manual; for a replacement purchase, look for current evidence tied to the precise model and package.
Key specifications
Key details at a glance
| Pencil-size control | Adjustable for 6 pencil sizes |
|---|---|
| Point-stop feature | Fly-away cutter icon is labeled as preventing over-sharpening; exact geometry or stopping tolerance is not given. |
| Stops at a sharpening point | Yes |
Use the exact model’s instructions for operating limits, supplied equipment and version differences.
Sources for this review
Sources for this assessment
Check your own needs against the model
Use the finder to apply the documented limits, then verify the exact model and package before choosing a seller.