`- Alloy inflator head has control valve to regulate CO2 release\n- Fits Presta valves only\n- Full grain leather sleeve is vegetable tanned and conditioned with natural oils and waxes\n- Inflator height: 20mm (.79")\n- Leather sleeve length: 55mm (2.25")\n- Weight (head only): 12g (.42 oz), \n- CO2 cartridges sold separately