Photo 1 of MroMax 10Pcs 1/4"-20 x 1 Threaded Knurled Thumb Nuts, Black Plastic Knobs Clamping Screws, Grip Knob Screw for Replacing Umbrella Base

Double tap image to zoom

Photo 1 of MroMax 10Pcs 1/4"-20 x 1 Threaded Knurled Thumb Nuts, Black Plastic Knobs Clamping Screws, Grip Knob Screw for Replacing Umbrella BasePhoto 2 of MroMax 10Pcs 1/4"-20 x 1 Threaded Knurled Thumb Nuts, Black Plastic Knobs Clamping Screws, Grip Knob Screw for Replacing Umbrella Base