The Hart Hammer is Hart"s pole style accessory trigger pad. The custom blended gum rubber wedge creates a 4"x 6" flat playing surface for the tip of your drumsticks. The unique design of this heavy duty trigger device allows striking at any angle. You can use with a mounting clamp for 7/8" tom arm or 1-1/2" rack tube for ultimate "universal joint" positioning and non-slip solid placement. Outstanding even triggering and isolation characteristics, Hart"s Lifetime Guarantee, solid mounting, and large playing surface make this a superior trigger pad for stage or studio use. Heavy-duty tube style accessory pad Custom blended rubber playing surfaces for great feel and response 4"x 6" flat playing surface Allows striking at any angle Acurate triggering Superior isolation Multiple playing angles and a variety of mounting options Solid mount 1/4" output Lifetime Guarantee