Specification:

Material: Stainless steel 304
Finish: vibratory finishing
Size: 3/4"(ID) x2-3/8"x2-3/8"
Thickness: 4.9mm
Hole size: Φ21mm (For 3/4 in bolt)
Weight: 125g(1 pcs), 1275g(10 pcs)
Package size: 8x7x5.5cm

Package content:
10 x Stainless Steel Square Flat Washers