Specification Brand : Restokki BulletPoint1 : High carbon steel features high hardness, strong strength and long durability BulletPoint2 : 3mm, 4mm, 5mm, 6mm, 8mm, 10mm and 12mm drill depth stops will fit drill bits in different siz BulletPoint3 : Equipped with a hex wrench for convenient use, Help to limit the depth of drilling hole as you want BulletPoint4 : Easy to use, just insert the stop collar on the drill bit to to the desired depth and tighten by wrench BulletPoint5 : The Durable Depth Stop Colla Collar Wrentch Set will stay sturdy when tightened and is specially designed not to damage the bits Color : Sliver ExternallyAssignedProductIdentifier : 7901755826828 ExternallyAssignedProductIdentifier1 : 0190459880794 ExternallyAssignedProductIdentifier2 : 190459880794 FinishType : Finish IncludedComponents : inc ItemName : Drill Stop Bit Collar Set, 7pcs/set 3~12mm Drill Depth Stop Collars Assortment Set with Hex Wrench, Woodworking Tool ItemPackageDimensions_Height : 202.692 centimeters ItemPackageDimensions_Length : 7.112 centimeters ItemPackageDimensions_Width : 7.62 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : pin-vises Manufacturer : Restokki Material : Material ModelName : Pin Vises ModelNumber : SFU1605-2000 NumberOfItems : 1 PartNumber : Restokkihqmsx5g83t PowerSourceType : PowerSource ProductDescription : Specifications: Condition: Brand New Material: High Carbon Steel Color: Black Inner Diameter: 3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm Outer Diameter: 9mm, 10mm, 11mm, 13mm, 16mm, 17mm, 19mm Weight: approx. 52g Package Included: 1 x 7pcs/set Depth Stop Collar 1 x Hex Wrentch