4486 Multi Chuck Set 15Pcs, Brass Collet Set, Drill Chuck Adapter, M8 Collet Nut Kit, Quick Screwdriver Drill Adapter, 0.8-3.2mm Replacement Keyless Quick Change Chuck Rotary Tool Accessory Compatible

SAFE AND DURABLE CHUCK: Features a secure, one-piece M8x0.75mm universal multi chuck with a built-in spring, capable of holding mini drill bits from 1/32" to 1/8" securely at high speeds, outperforming plastic models., MULTIPLE SIZES AVAILABLE: Includes 10 sizes of brass drill chucks, ranging from 0.5mm to 3.2mm, designed to meet a variety of clamping needs and ensure precision in your projects., ENHANCED GRIP COLLETS: Crafted from high-quality brass with a robust four-jaw design for a strong and firm grip on drill bits, offering a larger and more versatile collet diameter size., DURABLE COLLET NUT: Constructed from wear-resistant alloy steel for increased durability and safety, complementing brass collet chucks for enhanced accuracy and adaptability., MULTIFUNCTIONAL AND RELIABLE: Reinforced chuck design allows for quick and secure tool changes, featuring a non-slip textured surface for easier operation and improved drilling efficiency.