durometer: 81A height: 0.54" (1,4 cm) diameter cone top: 0.76" (1,95 cm) diameter cone bottom: 0.97" (2,48 cm) type: cone fit for almost every truck  made of high-quality urethane (CH2NO2R) shorter break in time contents: 4 cone bushings, 2 top washers

he Bones 91A Hardcore-Medium Bushings incl. Washer are made of high-quality urethane (CH2NO2R). They are perfect to improve your board feeling. These four bushings fit two trucks. 

durometer: 96A height: 0.54" (1,4 cm) diameter cone top: 0.76" (1,95 cm) diameter cone bottom: 0.97" (2,48 cm) type: cone fit for almost every truck  made of high-quality urethane (CH2NO2R) shorter break-in time contents: 4 cone bushings, 2 top washers