An aglet is the plastic or metal tip at the end of a shoelace. Lace Lab Flat Black Bullet Aglets are 20 mm matte black metal tips with a classic rounded bullet shape for sneakers and most standard laces. Each pack includes 4 bullet-style metal aglets and 1 super glue. Is this the right add-on? The flat black finish gives laces a premium, murdered-out detail without any shine, so it suits black and dark laces and stealthy pairs. No anchor screws are needed. To install, put two to three drops of the Lace Lab Super Glue into the aglet, slide it onto the lace tip, and hold pressure for a few seconds. The inside diameter is 3.9 mm, so these suit most flat and standard sneaker laces. For a shinier dark finish, see Gunmetal Bullet Aglets. Specs Type: bullet-style metal aglets (shoelace tips) Finish: flat (matte) black Size: 20 mm long, 4.7 mm outside diameter, 3.9 mm inside diameter Includes: 4 aglets, 1 super glue Pairs with Black Flat Shoe Laces, for an all-black lace setup. What customers say "The Black Bullet Lace Tips give a huge looking detail to my kicks!!!"★★★★★ Marco S. "These lace tips add a real premium feel to your laces. It’s the small details that matters"★★★★★ Charles V.