Pit Posse Motorcycle Shock Adjustment Spanner Wrench Tool Spring 1 new Universal Preload Adjuster THIS TOOL BELONGS IN EVERY RIDERS TOOL BOX ALLOWS SIMPLE ADJUSTMENT OF SPRING PRE LOAD TO ADJUST HEIGHT WITHOUT DAMAGING SHOCK OR SPRING COLLARS HINGED ACTION ALLOWS USE ON A WIDE VARIETY OF PRE LOAD COLLAR SIZES 2, 4. 34 MADE TO LAST WITH HARDENED STEEL CONSTRUCTION