Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

Thorlabs
The Thorlabs LB1 is a 0.44 lbs beam block supporting a wavelength range of 400 nm to 2 µm for both pulsed and continuous wave operation up to a maximum average power of 10 W. This unit includes a TR3 post and has been available since its release date of June 7, 2000, with current lifecycle status detailed in manufacturer documentation. This component is currently in stock overseas and ready for procurement. Submit the exact part number, quantity, and application requirements to request a quote.
Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Thorlabs references — within one business day.
For a faster response, include quantity, condition, and delivery destination.
Verified configuration
Engineering context
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Our sourcing response is prepared against Thorlabs LB1. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.