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Package Include:
1x Alloy Replacement Keyless Chuck
1 x Brass Change Collet Nut
10 x Brass Collet (0.5mm, 0.8mm, 1mm, 1.2mm, 1.5mm, 1.8mm, 2mm, 2.4mm, 3mm, 3.2mm)

Why Choose Us:
1. Replacement Keyless Chuck: Three-petal clamp, the grip is more stable, and the concentricity is greatly improved.
2. Replacement Brass Collet: Great improvement in accuracy and holds these tiny bits more firmly, and is better aligned with the rotation of the tool, under high-speed rotation, it not only maintains stability and improved work efficiency.
3. Change the clamping capacity of the electric grinder and solve the blind zone of the clamping path. Its head is 4 claws, and the holding accessories are more stable. Choose from a wide range of sizes, suitable for more material sanding, to meet your multiple needs at once.

Precautions:
1. Screw on the universal chuck, screw it to 3/4 to insert the accessory and then tighten it.
2. Widely used on rotary tool models 100 200 275 285 300 395 398 400 750 770 780 800 3000 4000 8200.
3. Except for the discontinued 1, 2 and 1 series or 8050-N/18 260, 270 and 280 models.