MegaDeal Too-5230 Clamp Large Heavy Duty Spring Metal with 3" Jaw opening, 4" - 6" Go to amazon.com Related posts Thing need consider when find clamps for woodworking? FeatureHeavy duty spring metalFirm grip metal Clamps2" metal Clamps lot of 4 DescriptionHeavy duty firm grip PVC coated tips and handles 6"-length clamps with Extra-wide 3" jaw-opening 4 pack.