TIG Large diameter Tig Gas Lens Collet and Bodies Fit SR PTA DB WP 17 18 26 TIG Welding Torch 12pcs 
Work with 10N series tig collet and 57N 53N series ceramic cup
2pcs  TIG Gas Lens Collet Bodies Ref No 995795 ( 1/8" & 3.2mm Orifice ) and Size: ( 1/8" x 2" & 3.2mm x 50mm )
10pcs TIG Collets Ref No 10N25 ( 1/8" & 3.2mm Orifice ) and Size: (1/8"  x 2" & 3.2mm x 50mm )
Pack of 12

TIG WP-17 18 26 WC 45V64 GAS COLLET BODY LENS Virtually eliminates turbulence in the gas shielding stream as it merges from the nozzle Long stable stream allows the electrode to be extended farther beyond the end of the nozzle for improved visibility of the weld zone Part Number 995795 Product Description Gas Lens, Large, 1/8" (3.2 mm) Where Used 17, 17V, 18, 18P, 18V, 26, 26P, 26V US 3/32" Metric 2.4 mm Gas Lenses 45V116(1/16") 45V64(3/32") 995795(1/8") 45V63(5/32") for use with 54N Series Alumina Cups. 
NOTE: Requires 54N63 Large Diamater Gas Lens Insulator.