MX Series Monadnock straight batons use a pin and spring to create a mechanical (or positive locking) mechanism that keeps the baton open and makes it easy to close. They have increased "knock-down" effectiveness due to our innovative weight forward shaft technology. MX batons feature a small grip diameter for better concealment and comfort. Weight forward technology for increased knock-down power Lifetime repair or replacement guarantee Made in the USA SX Series Monadnock straight batons use a pin and spring to create a mechanical (or positive locking) mechanism that keeps the baton open and makes it easy to close. They have increased "knock-down" effectiveness due to our innovative weight forward shaft technology. MX batons feature a small grip diameter for better concealment and comfort. Weight forward technology for increased knock-down power Lifetime repair or replacement guarantee Made in the USA Model # Length Grip Available Holders 2500 18" Foam 3006 2506 21" Foam 3006 2507 24" Foam 3006 2502 36" Knurled 3011 2503 24" Foam 3011