While the Humbler restricts movement, the Ball Buster allows you some freedom to enjoy the delicious hold of your balls. With four wing nuts to adjust pressure and feel, the Ball Buster Testicle Stem offers a variety of stimulation, all with the turn of a screw! Handcrafted from wood and finished in a black lacquer, this patented testicle stem is fully adjustable both when applying the Ball Buster and adjusting the pressure on the testicles. Product dimensions 10.4 x 13.8 cm Product weight 320 grams Length: 10.4 Adjustable length: 8.3cm Width: 13.8cm Height: 8cm Material: Lacquered wood and metal