Check the listing for details. 10Pcs 304 Stainless Steel Model Professional M3 M4 Hexagonal Cylindrical Screw. Color: Multi-Color, Condition: New. Listed at 4.74 USD. Description: Quantity: 10 PCs Material: 304 Stainless steel Size: 3*16MM / 4*20MM / 4*25MM / 3*18MM / Hexagonal cylindrical screw 3*16mm Brass screws Applicable to the boat rudder. Payment Policy : We only accept payments via PayPal. Shipping Time & Method: Item will be shipped within 3 days after payment is confirmed. Goods will be sent via airmail . Delivery takes about 18-25 business day (without holidays). All products have been checked and packaged in good condition before dispatch. Please make sure your address in PayPal is matched with your shipping address before pay. If you would like to change the address, please contact us IMMEDIATELY after your payment. Return policy :After receiving item.,items can be returned within 30 days . Items must be the original packaging. No use. No damage. Buyers bear the freight cost.