Acid Tactical Paracord Buckles Clasps with Compass, Whistle, Flint Fire starter - For DIY Bracelets, Slings, Belts (10 Pack) Oil filled Compass Build in Flint / Striker Hardened ABS polymer 2 1/2" by 1 1/8" For DIY paracording Bracelets, Belts, Rifle slings, dog collars, etc..