CK18 Handle (18H) delivers reliable performance for 350-amp water-cooled TIG welding applications. This replacement handle features the standard 3/8" x 32 thread pattern and maintains compatibility with the full range of CK18 torch configurations including rigid, flex, and valved models. Thread Pattern: 3/8" x 32 Compatibility: CK18, CK18V, CK18P, CK18HD torch models Construction: Durable design for shop environments Weight: 6.5 oz (184g) for CK18 rigid and flex models Length: 9-1/2" (24.1cm) for CK18 rigid and flex models Compatible Consumables 3A4 — #4 (1/4" 6.4mm) Alumina Cup 3A5 — #5 (5/16" 8.0mm) Alumina Cup 3A6 — #6 (3/8" 9.6mm) Alumina Cup 3C040 — .040" (1.0mm) Collet 3C116 — 1/16" (1.6mm) Collet 3C332 — 3/32" (2.4mm) Collet 3CB40 — .040" (1.0mm) Collet Body 3CB116 — 1/16" (1.6mm) Collet Body 3CB332 — 3/32" (2.4mm) Collet Body 300L — Long Backcap This handle works with CK18 rigid, flex, and pencil configurations, as well as valved versions (CK18V). Essential replacement component for maintaining torch performance in demanding fabrication environments where water-cooled TIG welding is required.