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Black Widow 5' L Personal Watercraft Shore Dock Extension

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Select Description:
  • Manufactured in high-strength, lightweight aluminum with stainless steel hardware
  • Attaches to PWC-RAMP
  • Adds 5 feet to the center dock beam
  • Total weight capacity of up to 1,200 pounds when installed on PWC-RAMP
  • Angled rollers prevent scratching and provide friction-free loading

Need a little extra length on your Harbor Mate Personal Watercraft Dock? No problem! The Harbor Mate Dock Extension will extend your dock out past shallow inclines so that you can easily load or unload your jet ski or other personal watercraft. This extension is manufactured in high-strength, lightweight aluminum. The stainless steel hardware is corrosion-resistant and maintenance free. It installs in the center of the Harbor Mate dock PWC-RAMP, and comes with a sturdy three-foot-wide foot for extra ground stability.

Four rollers per side on the extension provide friction-free loading, reducing the risk of scratching your personal watercraft. This extension will add 5 feet to the center beam of your Harbor Mate dock. When installed, the dock and extension can support up to 1,200 pounds. The legs can be adjusted incrementally to compensate for different shore heights.

Extension Only
39 lbs.
1,200 lbs.
WARNING: This product can expose you to chemicals known to the State of California to cause cancer, birth defects or other reproductive harm. For more information, go to For more information, go to
Product Q&A
Warranty Badge
General Warranty Information
  • Discount Ramps offers a One-Year Warranty and guarantees this product to be free of defects at the time of receipt. Please note that all warranty claims must be made directly to the original place of purchase.
Warranty Service
  • If you wish to submit a warranty claim, please contact us promptly at (888) 651-3431, Mon - Fri from 8am to 5:30pm CST.
  • Please be prepared to submit photos to assist our staff with processing your claim. Any defects will be determined by Discount Ramps with relevant evidence. If a defect is confirmed, Discount Ramps will replace the defective part with the same or similar product at no charge. The purchaser is responsible for labor charges.
Warranty Limitations
  • This warranty is non-transferrable, and becomes void if the product has been misused, neglected, altered, damaged or tampered with.
  • The product manufacturer reserves the right to substitute, discontinue, alter or modify any product or part at any time without notifying the purchaser. If this product is discontinued or modified prior to the warranty claim, Discount Ramps will substitute the defective product or part.
  • Products not manufactured by Discount Ramps are covered under the warranty of their manufacturer.
Limited Liability
  • Discount Ramps shall not be held liable for any damages that arise from the use of this product, including and not limited to property damage, loss of value of the product or loss of use of the product.