Specification Brand : Aexit BulletPoint1 : Shank Diameter: 7.5mm/0.3",7mm/0.28"; Overall Length: 83mm/3.3" BulletPoint2 : Material: Metal; Weight: 44g BulletPoint3 : Package Content: 1 x Hinge Boring Bit; Boring Diameter: 15mm/0.6" BulletPoint4 : Product Name: Hinge Boring Bit BulletPoint5 : Main Color: Silver Tone,Blue ItemName : Aexit 15mm Cutting Hole Saws & Accessories Dia 7mm Shank Hinge Boring Drill Bit Cutter Wood Hole Saw Sets Drilling Tool ItemTypeKeyword : hole-saw-sets Manufacturer : Aexit ModelNumber : modle PartNumber : f190412ae048238 ProductDescription : The hinge boring bit is specialized in opening holes in soft and hard wood. Twin scribers and centering point to give the perfect solution to repeated, and accurate hole cutting time after time. Should work with an electric drilling tool, which is not included here. ProductSiteLaunchDate : 2018-09-28T02:34:21.970Z UnitCount : 1