Want to learn more about shielding gas coverage and options? Check out this article from Canadian Metal working

https://www.canadianmetalworking.com/article/welding/cover-me-proper-shielding-gas-coverage-is-key-to-gtaw-success

and for a great gas lens kit check out this one:

Gas Lens Kit #17 Torch, Long and Short ceramic cups

This is the set I have for my Lincoln SW 200 w/ #17 torch, the long cups allow you to get into tight areas

This kit fits all 17 & 26 series air cooled torches and 18 series water cooled torches,
including the Lincoln PTA-17, PTA-18 and PTA-26 torches,
Miller Diamondback DB17, DB18 and DB 26 torches,
along with the Weldcraft WP-17, WP-18 and WP-26 torches.
19 pcs packing list as below :

1pcs Alumina GAS Lens Nozzle 4# Ref No:54N18L D6.5*76.2mm
1pcs Alumina GAS Lens Nozzle 5# Ref NO:54N17L D8.0*76.2mm
1pcs Alumina GAS Lens Nozzle 6# Ref NO:54N16L D9.5*76.2mm
1pcs Alumina GAS Lens Nozzle 7# Ref NO:54N15L D11.0*76.2mm
1pcs Alumina GAS Lens Nozzle 8# Ref NO:54N14L D12.50*76.2mm

1pcs Gas Lens Collets Body 0.040″ 1.00mm Ref NO:45V24
1pcs Gas Lens Collets Body 1/16″ 1.60mm Ref NO:45V25
1pcs Gas Lens Collets Body 3/32″ 2.40mm Ref NO:45V26
1pcs Gas Lens Collets Body 1/8″ 3.2mm Ref NO:45V27

1pcs Collets 0.040″ & Ø1.0mm 10N22
1pcs Collets 1/16″ & Ø1.6mm 10N23
1pcs Collets 3/32″ & Ø2.4mm 10N24
1pcs Collets 1/8″ & Ø3.2mm 10N25

1pcs Alumina Nozzle 4# Ref No.: 54N18
1pcs Alumina Nozzle 5# Ref No.: 54N17
1pcs Alumina Nozzle 6# Ref No.: 54N16
1pcs Alumina Nozzle 7# Ref No.: 54N15
1pcs Alumina Nozzle 8# Ref No.: 54N14

1pcs 54N01 Gas len insulator

Gas Lens & conventional collet body Kit #9 Torch, Long and Short ceramic cups & End caps

Package Quantity: 46pcs

TIG Back Cap 3pcs:
1pcs 41V24 Long
1pcs 41V35 Medium
1pcs 41V33 Short

TIG Collets 10pcs:
2pcs 13N20 Collet ∮0.5mm & 0.020 ”
2pcs 13N21 Collet ∮1.0mm & 0.040 ”
2pcs 13N22 Collet ∮1.60mm & 1/16 ”
2pcs 13N23 Collet ∮2.4mm & 3/32 ”
2pcs 13N24 Collet ∮3.2mm & 1/8 ”

1pcs 598882 Cup Gasket

TIG Collet Body 5pcs :
1pcs 13N25 ∮0.5mm & 0.020 ”
1pcs 13N26∮1.0mm & 0.040 ”
1pcs 13N27 ∮1.60mm & 1/16 ”
1pcs 13N28 ∮2.4mm & 3/32 ”
1pcs 13N29 ∮3.2mm & 1/8 ”

TIG Alumina nozzle 6pcs :
1pcs 13N08 D6.5mm x 1/4″-size 4
1pcs 13N09 D8.0mm x 5/16″-size 5
1pcs 13N10 D9.50mm x 3/8″-size 6
1pcs 13N11 D11.0mm x 7/16″-size 7
1pcs 13N12 D12.50mm x 1/2″-size 8
1pcs 13N13 D16. 0mm x 5/8″-size 10

Long TIG Alumina nozzle 4pcs :
1pcs 796F70 D4.0mm x 1/6″-size 3
1pcs 796F71 D6.5mm x 1/4″-size 4
1pcs 796F72 D8.0mm x 5/16″-size 5
1pcs 796F73 D9.50mm x 3/8″-size 6

Extra Long TIG Alumina nozzle 5pcs:

1pcs 796F74 D4.0mm x 1/6″-size 3
1pcs 796F75 D6.5mm x 1/4″-size 4
1pcs 796F76 D8.0mm x 5/16″-size 5
1pcs 796F77 D9.50mm x 3/8″-size 6
1pcs 796F79 D6.5mm x 1/4″-size 4L

TIG Collet Body Gas Lens 4pcs:
1pcs 45V42 ∮1.0 mm & 0.040 ”
1pcs 45V43∮1.6 mm & 1/16 ”
1pcs 45V44∮2.4 mm & 3/32 ”
1pcs 45V45∮3.2 mm & 1/8 ”
TIG Alumina nozzle Gas Lens 5pcs:

1pcs 53N58 D6.5mm x 1/4″-size 4
1pcs 53N59 D8.0mm x 5/16″-size 5
1pcs 53N60 D9.50mm x 3/8″-size 6
1pcs 53N61 D11.0mm x 7/16″-size 7
1pcs 53N61S D12.50mm x 1/2″-size 8

Long TIG Alumina nozzle 3pcs :

1pcs 53N59XL D8.0mm x 5/16″-size 5L
1pcs 53N60XL D9.50mm x 3/8″-size 6
1pcs 53N61XL D11.0mm x 7/1

#9 Air Cooled Flex Head TIG torch

  • 1.Flex TIG Welding Torch Head Body WP-9F, Allows to bend at any direction.
  • 2.Air Cooled 125Amp, Torch Head With Copper Material Inside and Rubber Cover
  • 3.Torch Handle With High Quality Plastic Material,Comfortable Handling
  • 4.Standard Design Fitting For DB SR WP9 Tig Torch Replacement Repair Work
  • 5.Package including:1pc wp 9 Flexible welding torch head

A great torch for thin wall 4130 work

Many options & combinations with this gas lens kit.

https://gouldaero.files.wordpress.com/2016/06/img_4568.jpg

The long ceramic cups allow easy access to tight spots like this flight control weldment. The slender profile of this cup allows good visibility on the weld and access for the filler rod.