Easy to Open POP Barrel Breakaway Lanyard Connector Buckle - Great for a 550 Paracord Necklace Jewelry Making Beads Pennants DIY Outdoor Crafts and more! (25, 50, 100, 200 Packs) Safety breakaway buckle that opens with a round tubular shape Plastic lock design that connects lanyards, necklaces, bracelets and more Accepts 7 strand 550 Paracord: just snip off the inner strands of the cord when making the knot Includes both male and female ends that can lock easily into place Hole Size  1/8, outside width  3/8, overall length  3/4