303 Stainless Steel Spherical Washer, Male & Female Assembly, 3/8" Hole Size, 7/8" OD, 1/4" Nominal Thickness, Made in US (Pack of 5)
Compensates for slight misalignment between workpiece and strap clamp. Material is 303 stainless steel. Tooling components. Workholding components. Reduces stress on threads. 5 Total degree of rotation.