Description Bore Tech’s Proof-Positive Bore Stix™ are quite simply the finest coated cleaning rods available, PERIOD! Featuring industry renowned ball bearing handles combined with cutting edge Proof-Positive materials, these rods set the bar in cleaning rod technology. The free floating, dual bearing handle design allows for effortless motion and precise following of the barrel’s rifling. Translation: Proof-Positive Bore Stix provide effective cleaning and eliminate the frustrating issue of having jags and brushes unscrew from the end of the rod. In addition, the color coded handles offer a comfortable, non slip rubber grip that prevents damage to the rifle stock and eliminates the guesswork in determining what rod to use for what caliber. All Proof-Positive Bore Stix feature a REPLACEABLE, barrel safe, non-brass, Proof-Positive tip that eliminates the irritating false indication of copper fouling that is found with traditional brass tipped rods when using copper removing cleaners. TRADITIONAL BRASS PRODUCTS                                                       PROOF-POSITIVE PRODUCTS                               The replaceable, female Proof-Positive tip also eliminates the need for additional adapters when changing between jags and brushes. Each Proof-Positive tip is specially machined to provide a completely smooth, edge free transition between the rod and our Proof-Positive Jags. This removes all possibility of damage to the firearm’s crown while pulling the rod back through the bore. Utilizing a caliber specific, enhanced, high strength steel core, the Proof-Positive Bore Stix have unsurpassed rigidity that minimizes bow and flex. The steel core is coated with a proprietary, low friction coating that is extremely durable and chemically resistant providing years of dependable service. Proof-Positive Bore Stix also add a twist to gun cleaning and feature an industry exclusive barrel twist rate identification system. The simple index dot system allows shooters to easily determine a firearm’s barrel twist rate  Why settle for anything less than perfection?  Choose the best… Choose the Bore Tech Proof-Positive Bore Stix.   SPECIFICATIONS: Bore Tech’s Proof-Positive Bore Stix™ Cleaning Rods Caliber Handle Color Rod Diameter (Inches) Female Tip Thread Pitch .17 Cal Grey .164″ 5/40 .20 Cal Green .180″ 5/40 .22 Rimfire Orange .195″ 8/32 .223 Centerfire Black .205″ 8/32 .243/6mm – .270 Cal Blue .221″ 8/32 .284/7mm – .308/8mm Red .258″ 8/32 .338 – .41 Cal Green .289″ 8/32 .416 – .50 Cal Grey .382″ 8/32 All rod lengths listed are the “Working Length” of the rod. These measurements DO NOT include the length of the handle.  For rod overall length (OAL), add 5.5” to the rod’s Working Length.  See figure below. Bore Stix OAL = Handle Length (5.5”) Working Length   INSTRUCTIONS: Use of A Bore Tech Bore Guide or Patch Guide™ Is Strongly Recommended To Protect Your Proof-Positive Bore Stix™ and Firearm. How To Determine The Correct Rod Length For Your Application Please see our convenient and easy to use Rod Length Guide by clicking the below or going to the Knowledge Center How-To Determine Rifle Twist Rate Please see our convenient and easy to use guide by clicking the below or going to the Knowledge Center