In simple facts:a) normally

5mm) and 2" (50

With 100% wind and waterproof

Includes 6 point sockets of which 10 regular and 6 long sockets

big twin plain exhaust heat shield set for harley BS365 In simple facts:a) normallyBig Twin Plain Exhaust Heat Shield Set for Harley Davidson Smooth style front and rear heat shield set. Fits front & rear headers on most aftermarket exhaust systems with 1 3 4" (4. 4 cm) headers. Mounts with the included clamps for a clean look. Features: Fits most aftermarket exhaust systems on listed models Shields you from exhaust heat Black or chrome finish Mounts with included clamps For 1 3 4" (4. 4cm) exhaust pipes