An Indispensable Tool In Bicycle Cycling. - 32mm Topcap Socket Can Be Used With 3/8" Ratchet Drive. 32mm Bike Fork Top Cap Socket Tool Cnc For Fox 36 38 40 Series 3/8" Drive Suspension. The Precision-machined 32mm Socket Ensures A Secure Grip On The Fork Top Cap, Allowing Accurate Torque Application During Maintenance, Servicing, And Suspension Rebuilds.