WAHL #10 Torsion Spring Replacement Blade 1/8 inch cut length, 3 millimeters Fit Wahl Clippers, Pro Series Plus and Contour animal pet hair clippers Proudly Made in the USA Proper blade care is essentials to improving and maintaining a proper blade life, Wahl highly recommends using Wahl Blade oil to keep your blades clean and well lubricated 30 Day Satisfaction Guarantee