Quick Release Pole Clamp With Compass & Data Collector Cradle ,gps,total Station Tsc3 f74 Quick Release Pole Mount Range Bracket / Attachment for your Data Collector / Controller. Most commonly used for GPS and COLLECTION GIS applications. Quick Release System for assembly and disassembly of fast cradle; Allows for quick removal of computers from the. Cradle pole securely connects to the computer and dramatically reduces the likelihood of damaging the computer (not "over tighten" or "squeeze" the computer). Pole Clamp Mounting Component measures 32mm (Standard ) pole types. Support clamp has an integrated compass. Corrosion resistant design (made of anodized aluminum and steel screws) The width of Data Collection Cradle of: 85mm Colour: black Material: aluminum alloy Package Contents: 1 * Pole clamp 1 * Data Collector Cradle Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.