Real Avid Bore-Max Speed Clean System Jags and Patches Multi-Cal Pack Nickel-Plated 10 Jags 500-Pack. Speed Jags and Speed Jag Patches are sized for precise bore fitment and optimal cleaning. The 4X greater bore contact delivers a cleaner bore faster allowing more time at the range. Specifications for Real Avid Bore-Max Speed Clean System Jags and Patches Multi-Cal Pack: Manufacturer: Real Avid Fabric/Material: Nickel-Plated Caliber: Universal Color: Grey Features of Real Avid Bore-Max Speed Jags & Patches Multi-Cal Pack Precisely sized for maximum bore contact and includes 500 patches 10 popular handgun and rifle calibers in one convenient storage case 2x more bore contact in handguns and 4x more bore contact in rifles when used with Speed Jag Patches Package Contents: Real Avid Bore-Max Speed Clean System Jags and Patches Multi-Cal Pack Real Avid AVBMJAGS: Bore-Max Speed Clean System Jags and Patches Multi-Cal Pack Nickel-Plated 10 Jags 500-Pack