6 Piece Trimmer Collet Adapter Router Bit Collet Chuck Clamping Adapter for Engraving Machine Milling Cutter AccessoriesFeatures: The collet adapter, with high precision clamping force and good grip stability, can tightly and stably clamp the router bit to improve working efficiency. Package with 6 different sizes of router bit adapters for different sizes of router bits to meet different usage requirements for various occasions.Specifications: Condition: 100% Brand New Material: High Speed Steel Style: Fashion Gender: Unisex Season: All Season Occasions: DailyPackage Contents: 6 * Router Collet Adapter SetNote: There may be 1-2 cm deviation in different sizes, locations and stretch of fabrics.Size chart is for reference only; there may be a little difference with what you get.Color may be lighter or darker due to the different PC display.Promise: If the product has any quality problems, please feel free to contact us, we will help you solve the problem as quickly as possible.