2Pc High Speed Steel 1/2 Drill Straight Twist Metal Drill Bit 17mm - Walmart.ca
IIVVERR Wood Plastic Boring HSS 1/2" Straight drill hole Twist 17mm Dia Drill Bit (Broca de plástico HSS 1/2 '' Broca de vástago recto de 17 mm de diámetro ' - Amazon.com