Product Name: Tilting Brackets with 25mm Copper Coated Mini Prism for Total Station, 5/8X11 Thread Model NO.: 6600-04-CC Customized: Customized Application: Surveying Material: Glass Shape: Circular Usage: Mini Prism HS Code: 9015900090 Product Description Description:The versions with a glass mini prism enable significantly higher target distances and allow the use of automatic target recognition (ATR) of passive prisms for repeat measurement.•The mini prism copper coated precision mini prism with a diameter 25mm , If you use leica instrument. you can choose this one.•the grinding accuaracy of <5"•mini prism with metal house.•max. target distance : approx.500m•Feature an 86 mm height•there have a Stainless steel adapterPackage Contains :1pc mini prism and 1pc adapter