.5oz DOINKER THUMB SPURE. THIS TOOL IS MADE OUT OF STAINLESS STEEL AND IS TO BE USED ON THE BASE OF ANY 2011 AVANCEE STABILIZER AND V-BARS OR ON THE PLATINUM HI-MOD STABILIZER. THE THUMD SPUR HELPS YOU TIGHTEN AND LOSEN YOUR STABILIZER FROM YOUR BOW,MOUNT,BOLT OR QDC AND IT HAS A KEY RING HOLE ON THE END SO IT CAN BE FOUND QUICKLY.