New (VERY) Old Stock Dominion Twist Drill Walkerville, On No. 109 13/32" Bit Stock Drill ( brace and bit ) 4" Square Second Cut Machinist's Watchmaker's File They feature large striking heads

They feature large striking heads that have been compressed under hydraulic pressure and seasoned for durability

continuous use

This is a professional tool and made with all metal construction even the knurled thumb adjustment knob is steel

X-Test Indicator and Magnetic base Set Features: (52-562-001-0)

New (VERY) Old Stock Dominion Twist Drill Walkerville, On No. 109 13/32" Bit Stock Drill ( brace and bit ) 4" Square Second Cut Machinist's Watchmaker's File They feature large striking headsNew (VERY) Old Stock Dominion Twist Drill Walkerville On No. 109 13 32" Bit Stock Drill ( for brace and bit ). Rare new old stock Dominion Twist Drill made in Walkerville, Ontario . Dominion Twist began production in Walkerville in 1910 and continued until the 1970s when they moved to Smiths Falls, ON. These bits are definitely pre 1970 and likely much earlier. I would guess they are 1930s 1940s. Dominion was one of the key suppliers of cutting tools