Made by hand in South San Francisco, USA. M1b Black : this is our AZ leather, a nice balance of firmness and softness. Classic black with silver font works for any drum. Black M1b : Snareweight M1b. Expressive drum dampening. FLEXIBLE BY DESIGN to match a drummer's natural dynamics. Control the amount of dampening in a snap with 4 different settings... or, flip it up and off the head for none at all!! Patented clip for permanent grip to ALL SIZE metal hoops... except S-Hoops and not recommended for Tama Arc Hoops. Genuine California USA Leather. (about 4" across) MAGNETIC flexibility. Nothing "sticks" to your head- keep it open and real. Will never warp, kink or unstick. The M1b is engineered to control the resonance without sacrificing the brightness of the drum. One M1b has 4 different dampening settings: very light, light, medium damping, to off. Try two M1’s on the same drum for more options and control. Remember the M1 fits any size drum;(8",9,10,12,13,14,16,18, etc.) Dampen in a snap or disengage even faster with the on/off feature. Works with triple flange hoops, die cast, angel hoops, true hoops.