Description:

Thread Size: 1/4-20; Outer Diameter: 9mm / 0.35"; Height: 6mm / 0.23". Material: Made of aluminum alloy, wear-resisting, and durable to use.. Color: Silver; Package Content: 2pcs x Flat Knurled Nuts. Great for 1/4"-20 magic arm articulated arm tripod drilling rig replacement.. Flat Knurled Nuts facilitate manual tightening, to open and close them without tools..