VALYRIA 10pcs Stainless Steel Smooth Cord End Crimps Finding DIY Supplies,12.7mmx8mm Material:stainless steel Length:12.7mm( 4/8");Outside diameter:8mm( 3/8");Inner diameter:7mm( 2/8"); Hole Size:3.4mm( 1/8"); you can DIY to make bracelet and necklace with rope or chain Create a really attractive piece of jewelry