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Hoppe Manual Top Extension – 16mm Faceplate, 54.92" Length

SKU 8778555

Original price $68.08 - Original price $68.08
Original price
$68.08
$68.08 - $68.08
Current price $68.08
  • Faceplate Width: 5/8" (16mm)
  • Extension Length: 54.92" (1395mm)
  • Top Tongue Position: 37.20" (944.9mm) from center of handle
  • Overall Length: 56.54" (1436.1mm) with 36" handle height
  • Maximum Cutoff: 13.39" (340.1mm)
  • Fits Door Heights: 79.13" to 92.52" (2010mm to 2350mm)
  • Material: Stainless Steel
  • Type: Manual Top Extension
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Estimated Delivery
Between December 11 and December 15
*Delivery dates are estimates and may vary based on availability and shipping method

Hoppe 16mm Manual Top Extension – 54.92" Length (8778555)

This Hoppe manual top extension is designed for multipoint lock systems on doors ranging from 79.13 inches to 92.52 inches in height. The extension features a 16mm (5/8 inch) faceplate width and is constructed from durable stainless steel for long-lasting performance.

The extension measures 54.92 inches in length with the top tongue positioned 37.20 inches from the center of the handle. When installed with a 36-inch handle height, the overall length from handle to top of door is 56.54 inches. The maximum cutoff allowance is 13.39 inches, providing flexibility during installation.

Technical Information

  • Faceplate Width: 5/8 inch (16mm)
  • Extension Length: 54.92 inches (1395mm)
  • Top Tongue Position: 37.20 inches (944.9mm) from center of handle
  • Overall Length with 36 inch Handle Height: 56.54 inches (1436.1mm)
  • Maximum Cutoff: 13.39 inches (340.1mm)
  • Door Height Range: 79.13 inches to 92.52 inches (2010mm to 2350mm)
  • Material: Stainless Steel

Related Parts

  • 8778559 - Hoppe 16mm Manual Top Extension for doors 79.13 to 99.41 inches

Priced and sold each.

Fill out our MPL form or call us to ensure accurate purchasing and correct fit.

Frequently Asked Questions

How do I know if this extension fits my door?

This extension fits doors between 79.13 inches and 92.52 inches in height. Measure your door height from the bottom to the top to confirm compatibility.

What is the maximum cutoff for this extension?

The maximum cutoff is 13.39 inches, allowing you to trim the extension to fit your specific door height within the compatible range.

What is the difference between this and part 8778559?

Part 8778555 fits doors from 79.13 to 92.52 inches, while part 8778559 fits taller doors from 79.13 to 99.41 inches.

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Shipping applies to the contiguous U.S. (orders to Alaska and Hawaii require a custom quote):

  • $11.95 – USPS First Class (5–10 business days)
  • $12.95 – USPS Priority Mail (3–6 business days)
  • $19.50 – UPS Ground (2–5 business days)

📦 Rates typically cover packages up to 4 lbs. Oversized or heavier items may incur additional charges.

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