TipTop EZ Pivot & PAN Rifle Bipod 13.5" - 23": Sling Stud Mount, Extendable, Folding, with Sling-attached Hole PN#S7-74669 Heavy Duty, Stable, Quick Setup, Light Weight, Sling-attached design Easiest and fastest stud mount design (Newly Patented) Easy Pivot (Level) adjustment for uneven terrain up to 34 degrees Easy Pan for horizontal scan to 40 degrees One of kind with both the Rotate and Pan features; all-weather no-rust black anodized finish