Osborne Draw Gauge No. 51.5. The slide is clearly marked in 1/16" divisions.
CS Osborne Brass Semi Professional Eyelet Kit - Solid Brass Eyelets
CS Osborne Nickel Semi Professional Eyelet Kit Nickel Plated Solid Brass Eyelets
Solid Brass Eyelets & Washers Bulk Pk (144 of each part) CS Osborne
CS Osborne Home Use Brass Eyelet Kit (Solid Brass Eyelets) Ref K234
Nickel Plated Solid Brass Eyelets & Washers Handy Pk (24 of each part)CS Osborne
CS Osborne Eyelet Setting Tool / Insertion Die No.216 (Fully Professional)
