Leupold 183551 Window Mount Clamp The Pro Gear Window Mount will stabilize your optic using 6061-T6 aluminum so you can spot and watch game from the comfort of your driver's seat. Outfitted with a 3/8"-16 screw, it accepts our new Pro Gear Panhead as well as most third-party options, and its rubberized clamp won’t scratch glass. It also features a large locking knob for speed and security. Even with gloved hands, you'll be able to go from driving to glassing in just a few quick motions. Features: - Aluminum Body: The tough and dependable 6061-T6 aluminum body stands up to abuse without losing tension. - Non-Marring Rubber Pads: Non-marring rubber pads ensure a firm grip that won’t leave scratches. - Large Locking Knob: Tighten or loosen the mount using the large locking knob, even while wearing gloves. Specification: - Type: Window Mount Clamp - Material: 6061-T6 Aluminum - Includes: 3/8"-16 Screw Manufacturer: Leupold Mfg Number: 183551