• BLAST SENSOR BAT ATTACHMENT: The Blast Softball and Youth Bat Attachment is designed for the Blast GEN3 sensor. This attachment fits most regulation softball and youth baseball / softball bats and securely attaches your Blast sensor to the bat.
• DESIGNED FOR GEN3 SENSOR: This replacement attachment, known as "Option B" attachment (works with GEN3 sensors only). If the serial number is 12 digits, with the second digit being a 5 or greater, this bat attachment will work with your sensor.
• EASY INSTALLATION: Turn the base inside out, fully insert into the sensor compartment with the Blast logo facing upwards, place on the knob of the bat, then reverse flip over bat knob.
• OTHER BAT ATTACHMENT OPTIONS: For larger knobs or full-sized bats, consider purchasing the Blast Baseball & Universal Bat Attachment (replacement) unit. (sold separately)