No assembly, no mess, no storage problems and no fittings, patches or attachments to change. Users report that solvents are usually not needed because The World’s Fastest Gun Bore Cleaner is extremely thorough. No more broken rods or stuck patches! No exposed metal to damage sensitive crown or fittings. Washes easily by hand. Use wash bag or band securely for machine wash. 200 to 500 uses are not uncommon prior to disposal.