Specification Brand : Generic BulletPoint1 : Prism constant:+30mm, Prism Color: Copper Coated/ Silver Coated. Package includes: 1 mini prism + 1 hook + 1/4"-20 Male to 5/8"-11 Female Adapter BulletPoint2 : 1/4"-20 external/male thread on one side, 1/4"-20 internal/female thread on the other side BulletPoint3 : the mini 360 - degree prism has a +30 mm offset, a 1/4 - inch female thread, a 1/4 - inch male thread, and is compatible with Leica total stations BulletPoint4 : Made of k9 glass and aluminum, the 360 - Degree Reflective Prism is clear, efficient, and durable enough to last for years in tough conditions BulletPoint5 : Wide Application: mini 360 prism offers 360 - degree reflection for quick instrument tracking lock. It has an accuracy of 5″, a measuring distance of 1km, and is widely used in railway, dam, steep - slope and other industries for measurement. Color : Copper Coated ExternallyAssignedProductIdentifier : 7636160066964 ExternallyAssignedProductIdentifier1 : 705702366170 ExternallyAssignedProductIdentifier2 : 0705702366170 IncludedComponents : GRZ101 Prism + Hook + 1/4"-20 to 5/8"-11 Adapter ItemName : 360 Degree Monitoring Mini Prism Total Station Reflective Prism GRZ101 Replacement with Hook Compatible with Leica Swiss Type Surveying Reflector (Copper Coated) ItemPackageDimensions_Height : 2.05 inches ItemPackageDimensions_Length : 4.13 inches ItemPackageDimensions_Width : 2.05 inches ItemPackageQuantity : 10 ItemTypeKeyword : science-classroom-optics-kits Manufacturer : ACCRSNCH Material : Plastic ModelName : three way parallel laser light sources set ModelNumber : three way paralle light NumberOfItems : 1 OperationMode : Manual PartNumber : GRZ101 Prism & Hook PowerSourceType : Battery Powered ProductDescription : Prism constant:+30mm, Prism Color: Copper Coated/ Silver Coated 1/4x20 external/male thread on one side 1/4x20 internal/female thread on the other side Package includes: 1 mini prism + 1 hook + 1/4"-20 to 5/8"-11 Adapter