ITEM NAME:Heavy-Duty Hand Riveter Riveting Tool Description: Alloy steel constructed, increases power and reduces shock Shorter handle with double compound hinges that maximize leverage Shortest long arm riveter which can operate up to 1/4-Inch (6.4mm) stainless steel rivets. A one-piece collet case eliminates the need to adjust the tool when changing rivet diameters Versatile and powerful hand tool, taking the hard work out of setting large diameter blind rivets Includes 3 Nosepieces: 1/8" (3.2mm), 5/32" (4.0mm), and 1/4" (6.4mm) Specification: Material: alloy steel Color: As Pictures Shown Suitable for 3.2mm, 4.0mm and 4.8mm Head Size, aluminum and stainless steel rivets Full Length: 25cm / 9.8inches; Width: 7cm / 2.8inches Package Includes: 1 Piece Hand Rivet Gun SKU: DMO0012642579012325.1 Piece Hand Rivet Gun. Includes 3 Nosepieces: 1/8" (3.2mm), 5/32" (4.0mm), and 1/4" (6.4mm).