Specifications:Wavelength: 1064nm(900-1100nm) For Fiber Laser BeamTransmittance: >99.76%Laser Lens Power: 0-6KWSize: D24.9x1.5mmProtective Lens - Green (D24.9 x 1.5)SKU: 179Quantity*Add to CartRETURN & REFUND POLICYNon-Refundable SHIPPING INFO2-3 Days for Available stock Items 7-14 Days for Out of Stock Items