Direct Replacement - NO Drilling Needed Includes a Ball Bearing Handle Arm is NOT Included & is NOT Needed Round 36mm Aluminum Knob For Shimano Spinning Reels Fit Many of the Following Models: Stella FB, FD & FE Stradic FJ, CI4 & FK Sustain FG Prior to your purchase, please read the notes below to ensure successful installation. IMPORTANT NOTE: In order to determine if the replacement knob will fit your model reel, you must first remove the knob attached to you reel. If the knob can not be remove simply with a screw driver, the replacement knob can NOT be installed on you reel handle. After removing the knob on your reel, you must inspect the spindle to confirm the following characteristics. 1. The tip of the spindle accepts a small screw. 2. The base of the spindle will accept a 5mm ID diameter Ball Bearing. 3. The spindle shaft diameter is 4mm maximum. 4. The length of the spindle shaft is between 27.5mm and 28mm. Please feel free to contact me if you have a reel spindle which does not confirm to the 4 points shown above. I may be able to provide you with knob for your reel. These Knobs are extremely comfortable & lightweight, about 1oz. Includes 2 Ball Bearing. Handle Blank is NOT Included & NOT Needed. Attaching the Knob to the Handle Spindle:Proper Installation Requires the Use of Loctite BLUE 242. Prior to the installation of the knob, the original knob must be removed from the reel handle. The removal of the original knob as well as the installation of the new knob requires the simple use of only a Phillips screw driver and Loctite 242 Blue, nothing more. If Needed, Additional Installation Notes Are Available Upon Request Sales Tax: CA Residents Pay Sales Tax.