12Pcs chainsaw bits, plated, specially designed for electric sharpeners, can sharpen the stably and effectively.

Features:
The chainsaw bit is distributed with complete and even particles. 
These files can sharpen the stably and effectively. It only takes a few minutes to get rid of the troublesome hand sharpening once and for all.
The hardest wheel uses electroplating process, long service .
These drill bits are specially designed for electric sharpeners. It can be replaced in just 2 . 
Generally speaking, 4.0mm diameter fit for electric , 4.8mm diameter fit for small , 5.5mm diameter fit for large .

Specifications:
Material: coating
Color:
Diameter: 4mm(5/32"), 4.8mm(3/16"), 5.5mm(7/32") (optional)
Quantity: 12Pcs
Total Length: 45mm / 1.77in
Length: 22mm / 0.87in
Package Weight: 
 4mm: 44.8g / 1.58ounces
 4.8mm: 56.2g / 1.98ounces
 5.5mm: 67.3g / 2.37ounces
Package Size: 165 * 75 * 20mm / 6.5 * 2.95 * 0.79in

Note:
There may be black spots on the surface of the wheel. It is not that the coating falls off, but that the and silicon carbide are mixed. Better use.

Packing List:
12 * Chainsaw Bits