Fits cleanly over your existing reservoir cover with the 1- ball centered
Made of die-cast aluminum with an over-molded rubber ball
Easy installation
Each kit includes black oxide SM420 screws (M4 x 20mm hex drive stainless steel machine screw), black oxide SM430 screws (M4 x 30mm hex drive stainless steel machine screw) and black oxide SM435 screws (M4 x 35mm hex stainless steel machine screw)