Stanley MR100CG Contractor Grade Riveter N/A Imported Rugged, contractor-grade die-cast metal construction for long life Designed for stainless steel rivets in marine applications Equipped with removable ejector spring Uses 1/8", 3/32", 5/32" & 3/16" diameter Steel & Aluminum Rivets. Uses 1/8" and 5/32" diameter Stainless Rivets Limited Lifetime Warranty