Stainless Steel Flat Washer 1/4 x 3/4 OD x 1/16(0.065) Thick, 

Qty 100 

• 18-8 Stainless Steel
• MS 15795-811
• 5/16" ID hole
• 3/4" Outside Width
• 1/16 (0.065)" Thick
• These are for a 1/4 size screw Approx 1/4 " diameter.