Replacement gimbal for models B100 all sizes, B200, B225 and B700 all sizes. Gimbal rotates 90 vertically and horizontally holding the rod butt securely in place. Fits gimbaled rods to 3.6cm (1 1/4") and crutch butt rods to 3.8cm (1 1/2"). Pin in the rotating ball can be used in either the vertical or horizontal position. Come with four new stainless steel nuts and bolts.