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The Truth Hardware (AmesburyTruth) 23.00 Series Left Hand Single Arm Casement Operator is a commercial-grade crank designed for smooth and secure operation of casement windows. Featuring a 9-1/2" link arm and stainless steel roller, this operator delivers a full 90° sash opening when paired with AmesburyTruth 14 Series Casement Hinges or 35 Series 4-Bar Hinges.
Constructed with a high-pressure die-cast zinc housing and hardened steel components with an E-Gard® protective coating, the 23.00 is built for strength, longevity, and resistance to corrosion.
Available in both rear-mount and face-mount configurations—please select the correct mounting style before ordering.
This operator is commonly (but not always) identified with stamp 40050, with some variants marked 40050A or 40050B.
Amesbury Truth
Truth 23.00 Left Hand Single Arm Casement Operator – 9-1/2" Arm (Face or Rear Mount)
$50.00
SKU: 23.XX.32.201
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Free shipping on orders of $500.00 or more (Canada only)
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Feedback from real customers
Customer Reviews
5.0
1 review
- October 13, 2026 Verified purchase
Best service ever
The product is good, but the service for this company is what was fantastic, I needed to replace my left hand arm with a right hand version and they were incredibly helpful to accomodate my exchange going above and beyond any expectations. Fantastic company!!!
Response from Leo HardwareThanks so much for the kind review. I'm so happy we were able to help you out!
