Usage Tips:[Versatile Mounting]Easily mount cut-off wheels up to 1/16 inch thick with our mandrel, designed to fit both 1/4 inch and 3/8 inch mandrel hole products. Ideal for precise small diameter cutting and threading tasks, our versatile mounting ensures a warm fit every time. [Effortless Assemble & Disassemble]Elevate your grinding experience with this mounting mandrel that fits most grinders and accepts 1/4-inch mandrels. It effortlessly assembles and disassembles drill bit rotary tools for easy tool compatibility: the ideal accessory for your tool kit. [Multi-Purpose Mandrel]With two types of thread heads, this drill chuck mandrel conveniently mounts three different types of cutting wheels, making it the perfect solution for all your cutting needs. Fits most 1/4-inch drills and angle grinders. [Safety & ]Cutting discs are made of resin combine brown corundum and alumina abrasive #60 grits. Crafted with sturdy carbon steel, this mandrel provides a drill chuck structure for secure attachment, suitable for wheels including grinding, cleaning, and polishing. [Widely Used]These cutting discs are suitable for metal, tile, cement, steel and other materials cutting and trimming, to meet different work needs, is the ideal work partner.The cut-off wheel mandrel with 1/4 inch shaft, perfectly compatible with all 3 inch(75mm) angle grinders with 3/8 inch or 1/4 inch arbor. Fit for most die grinder, air tools and drill rotary tools. Colour:black Material:Metal Package Contents: 10 * Cutting disc 1 pack * Mandrel Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.