Oval-shaped surface design, can be used to form metal plates, rivets, knock out and so on.Suitable for any hammering operation, such as ball joints and u-jointsCan be installed on the air shovel/air hammerhead to useDurable and practical to useFit for automotive industry, sheet metal industry, tire repair industry, construction industry, machinery factory production line and so on.100% brand new and high qualityUsage: Home DIYType: Air Drillsize:Dimension (L*Dia.): 175x25mm, 100x30mm, 85x35mm(6.9x1inch,4x1.2inch,3.4x1.4inch).Spring Dimension: 34x25mmColour:Photo ColorMaterial:MetalPackage Contents:3 x Hammers1 x SpringOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.