DescriptionType : Hand Tool PartsOrigin : Mainland ChinaProduct SpecificationPRODUCT NAME: Woodworking Square Twist Drill BitMaterial: SteelShank: RoundShank Shape Of Hole: SquareTotal length: 175-230mm(6.89in-8.66in)Diameter: 6mm-25mm(0.24in-0.98in).FeaturesThis Mortising Chisel set is great for drilling square holes in woodReduce labor intensity of construction workers, speed up the construction speed, reduce construction costs for construction, installation, renovation, decoration industries.Application:Mainly used for carpentry, applicable to the construction, installation, decoration, decoration industry use.qty.1pcsPackage Included: According to your choiceNote:Please allow a slight error due to manual measurements,belongs to the normal phenomenon.And due to the difference between different monitors, the picture may not reflect the actual color of the item.Thank you Satisfaction GuaranteeOur first priority is to provede you with an easy,pleasant,and anxiety-free shopping experiencewe try our best to give a clear,candid,and complete description of our products and their conditionswe are always ready to help if you have questions or encounter a problem ,but if for any reason you arenot satisfied with a product or service please do not hesitate to contact usIt is very impottant to us that you have a positive & 5 star transaction with us.please contact us promptly before you leave us negative feedback.we weill try our best to resolve you problem.If I am not online,please leave your message,we will reply you once we log in.we reply every message except we have not get your message.Refundwe accept refund if product not as decribedIf the goods are damaged.Please provide photos.We can give you a full refund.Or send you a new itemIf the product is lost. Or the wrong number. If we make a mistake. We accept partial refund compensationServicesAfter receiving the payment. We will send the goods within 12 hours