Accu-Shot Standard height Locking Stud Mount Monopod with Quick Knob Black 3.75-4-85in. These Monopods by Accu-Shot have an additional thumbnut installed that will lock your unit in place for a fixed elevation the leg folds up and retracts for portability and to allow for concurrent use with your sling and the quick knob allows for fast adjustments with only a push of a button making these a versatile addition to your shooting gear Choose the Accu-Shot Portable Standard Monopod when having a clear stable shot is important Specifications for Accu-Shot QK01 Quick Knob Stud Mount Monopod ACU-MN-SHLSMMWQK: Elevation Range: 3.75-4.85in Weight: 7.3oz Package Contents: Accu-Shot Standard Height Stud Mount Monopod w/ QK01 Quick Knob ACU-MN-SHLSMMWQK Accu-Shot BT04-QK Standard height Locking Stud Mount Monopod with Quick Knob Black 3.75-4-85in