BS15  Mechanical Arbor Deluxe Kit 
This bore sighter kit uses a 15-piece stud set to ensure precise bullet placement from the start.
With selectable studs, you are assured a sung fit in the rifle barrel, eliminating the play that cause inaccurate bore sighting. 

Item	BS15  15 Mechanical Arbor Deluxe Kit
SPEC.	Bore Sighter with 15 pieces adjustment stud tools; with carry case. -Studs include following sizes :  0.177 ; 0.22 ; 6mm; 0.25 ; 6.5mm; 0.27 ; 7mm; 0.30 ; 0.32 ;    0.338 ; 0.35 ; 0.375 ; 0.44 ; 0.45 ; 0.50 -Coming with a multi-pocket soft case