This self piercing grommets & eyelets made of high quality heavy duty durable brass material.
(Made Of Solid Brass High Quality!)
You can apply this self piercing grommets on strong thick material in one action.
After setting hole size diameter is 3/8" (9 mm)Mostly using best quality self piercing grommets.
Length diameter dimension is 12 mm for hard foam board,sing banner,tarps,vinly tarps,vinly sign banner,tarpaulin,boat covers,tent,canvas,leather,bag leather and other industrial material in one action.
You can apply grommets & washer on material in one action.
Price included 1 package 500 PCS grommets & 500 Pcs Washers Set