Specification Brand : WeldingCity BulletPoint1 : Pack of 10 premium 10N-series collet (10N21, 10N22, 10N23, 10N24, 10N25 and 54N20) for TIG Welding Torch 17, 18 and 26 series. BulletPoint2 : Work with regular setup 10N-series collet body or 45V gas lens collet body (regular and large). TIG torch amperage 150A - 350A air-cooled and water cooled. BulletPoint3 : Collet orifice sizes for Tungsten electrode: 0.020" (10N21), 0.040" (10N22), 1/16" (10N23), 3/32" (10N24), 1/8" (10N25) and 5/32" (54N20). BulletPoint4 : 10-pcs per package for each size 0.020", 1/16", 3/32", 1/8" and 5/32" and assorted sizes from 0.020" to 1/8" (2-pcs for each size). Refer to your TIG welding torch user manual for selection of torch parts. Volume discount available. Buy More Save More! BulletPoint5 : U.S. based welding and hardware supplier. Strong technical support with experienced customer service to address buyer's any question. BulletPoint6 : Input Frequency: 50/60Hz BulletPoint7 : Efficient cooling of water cooled TIG torch Color : Green ExternallyAssignedProductIdentifier1 : 0604697465748 ExternallyAssignedProductIdentifier2 : 604697465748 IncludedComponents : Quick Connects ItemName : WeldingCity Pack of 10 Collet 10N21 (0.020") for TIG Welding Torch 17, 18 and 26 Series from Lincoln Miller ESAB Weldcraft CK ItemPackageDimensions_Height : 0.5 inches ItemPackageDimensions_Length : 5 inches ItemPackageDimensions_Width : 4 inches ItemPackageQuantity : 1 ItemTypeKeyword : tig-welding-equipment Manufacturer : WeldingCity Material : Copper ModelNumber : PowerCoolW300 PartNumber : CVI10N21-10PK PowerSourceType : ac ProductDescription : Pack of 10 premium 10N-series collet (10N21, 10N22, 10N23, 10N24, 10N25 and 54N20) for TIG Welding Torch 17, 18 and 26 series. Work with regular setup 10N-series collet body or 45V gas lens collet body (regular and large). TIG torch amperage 150A - 350A air-cooled and water cooled. Collet orifice sizes for Tungsten electrode: 0.020" (10N21), 0.040" (10N22), 1/16" (10N23), 3/32" (10N24), 1/8" (10N25) and 5/32" (54N20). ProductSiteLaunchDate : 2015-07-20T18:44:17.058Z Size : 10-pk/10N21 (0.020") UnitCount : 1 Voltage : 240 volts