DescriptionSize : 19/20mmPackage : CaseModel Number : Fast Hold Down Toggle ClampsApplication : Wood Working ToolDIY Supplies : WoodworkingType : Combination,Fast Hold Down Toggle ClampsBrand Name : GDARTOrigin : Mainland ChinaFeature:Product length, width and height 100x30x110mmMaterial: aluminum alloy + stainless steelMaximum clamping: 60mmAdjustable 3 gears, high, medium and low, different clamping force suitable for different working condition.Constructed of high quality aluminum alloy and stainless steel provides the hold fast clamps with maximum durability and strength.Maximum clamping is 60mm, the clamping height can be adjusted according to the thickness of the board.Quick and easy clamping,slide the bench hold down clamp into your workbench dog hole, hold wood in place and then press the gear,easier clamping,reduce hand fatiqueUse with your workbench,works best on workbenches 20~40mm thickness(maximum clamping 60mm),Drill a suitable vertical dog holes into your workbench top and slide your holdfast workbench clamps into the hole.