Nuovo Alesatore Manuale Regolabile 5 Pezzi Misure da H12 a H16 Capacità 1.1/16" 2.7/32" USA
H12 (I) ~> 1.1/16" - 1.3/16" (26.98mm - 30.16mm). H16 (M) ~> 1.13/16" - 2.7/32" (46.03mm - 56.35mm). They are generally referenced by a latter which equates to a size range. The Disposable blade slide along a tapered groove.