ROCK BEAST XL 3.8 Scale Tires // Zuper Duper Kompound // (2) Two Tires per packet with (2) Two - Foams & (1) Decal sheet. Scale MONSTER TRUCK TIRES! The Rock Beast XL 3.8 Scale tires are not-so miniaturized versions of the Champion Pit Bull Rocker LT 1:1 tires. For those of you with 1:1 Pit Bull Rockers on your rigs. . . and have been wanting to pimp out your Monster Trucks or Custom Built Scale RC with some Scale Tires. . . here 'ya go!!! Our multi-varied tread design increases forward/reverse and lateral traction with serious biting across the footprint. These Rock Beasts have many features designed to increase speed and control while enhancing stability and contact patch. Excellent lateral bite incredible stickiness and exceptional traction. You'll be seeing this Bad Mammer Jammer out and about on 40 Series rigs very soon. . . Best Scale tires to fit on anything 40 Series MONSTER TRUCKS: YETI XL E-MAXX T-Maxx REVO SUMMIT Savage Monster Trucks by Team Associated Monster Trucks by Losi Nitro powered/electric buggies by Kyosho - FOX, MAD FORCE, TWIN FORCE, MEGA CRUSHER Basically. . . YOU WANT A SCALE 40 SERIES TIRE to enhance your Rig. . . THE ROCK BEAST XL IS FOR YOU!!!!