Features:The 9-tooth straight blade is a modified comb blade for autumn shearing, and it can also cut large cohesive hair such as horses and cows. The 13-tooth straight blade features a straight tooth design that makes it easier to catch the wool. The design is aimed at some inexperienced novices, so that novices can quickly master the cutting skills and facilitate operation. The blade is tartness and the cutting is precise, which greatly improves the service life of the blade. The wear resistance of the blade is superior, harder and stronger. The blades are durable and suitable for horsehair or wool trimming. Specifications:Size: Straight Teeth: Length 8cm/3.15in Width 5.6cm/2.2inFour Teeth: Length 6cm/2.36in Width 3cm/1.18inNumber Of Blade Gears:4, 13(Optional) Blade Installation Instructions:Install the blade and insert it on the reverse side. Install the lower blade, facing outwards Then install the fixing screwsUse your own tool to tighten the screws Package List:1 * Wool Shear Straight Tooth Blade1 * Four-tooth Blade Note:Please allow 0-2cm/mm error due to manual measurement. Thanks for your understanding. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.