Tool for fitting snow studs into tyre treads - has guide tube and ferrule mating with stud to force into cavity in tread

摘要

The tool is for fitting nails or studs into the tread cavities of tyres. It has a guide tube for the studs in which they are guided to be coaxial with the tube. The end of the tube goes into a hole of a ferrule, also guiding. Around the ferrule are grooves through which go fingers to push the studs before installation in the tread spaces and to enlarge these spaces. The hole in the ferrule is about 9mm diameter and that of the guide tube about 6.5 mm. On one end of the fingers are openings to match the studs exterior surface.