material:Made of HSS-M2 steel with a Titanium-Plated Yellow coating, these drywall router bits are ultra-tough- to wear and tear, so they outlast standard drywall drill bits for repeated drywall cutting tasks. Precise specifications:1/8" round shank (fits Spiral Saw & Power Tools widely) + 1.2" (controls cutting depth) + 2.35" total length (balances maneuverability)-perfect specs for materials with thickness less than 3/4" Stable cutting:Equipped with Drywall Guide Point Cutting Bits function, these drywall cutting bits lock in precise positioning-say goodbye to off-line cuts when working on drywall, wood, or ceilings. Smooth and efficient:Left-hand spiral design optimizes chip removal for these drywall drill bits-prevents clogging during cutting, keeps Power Tools running smoothly, and reduces overheating. Comes with 50pcs drywall cutting bits and a storage case, sufficient for various scenarios-whether it's DIY drywall renovation, wood crafting, or ceiling installation. Color: As Shown Material: Steel Package Contents: 50*pcs Drywall Router Bits 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.