1: The thread type is 1/4 inch -20, replacing the standard seat bolts 2: Remove the seat quickly and easily without wasting time looking for a screwdriver to remove it 3: This bolt is used to go from the back of the seat to the top of the rear bracket. 4: There are many side-mounted bolts or nuts, or not for knob mounting. 5: No tools are required for installation or removal. 6: Easy to install. Suitable for: Suitable for 1996-2015 , Wide Glide, Street , Roadking, Fatbob, Streetbob, Softail, Dyna, Street Glide, Road Glide, Ultra Glide, Touring and other models with 1/4-20 thread, not suitable for seats equipped with spring-type pillion brackets. Condition: New Bolt Size: M6 Colour:Black & Silver Material:Aluminum Alloy Package Contents: 1 * black fixing screw 1 * silver fixing screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.