Birchwood Casey's Bore Weevil Retractable Cleaning System features a fully retractable pull-through tether to reduce contact with cleaning chemicals and make portability an afterthought. Simply thread a brush, jag and/or a mop on each of the quick attach couplers. Bore Weevil is compatible with almost every available cleaning brush, jag, mop and looped patch puller on the market. The Bore Weevil can be adjusted to any length for virtually any firearm. Includes three quick attach couplers that eliminate the need to thread attachments on and off to change the functionality of your cleaning rod.