5" x 3/16" Chainsaw Grinding Wheel 60 Grit Quantity:Single Wheel What makes it a hybrid

What makes it a hybrid is that it combines 2 motorized stages and 1 manual stage

The plate is double-sided with both sides hollow-ground and sharpens an estimated 1400 - 3000 blades

Stage 2 - Medium for refining the edge

The Mini Chantry is available in any color so long as it is black

5" x 3/16" Chainsaw Grinding Wheel 60 Grit Quantity:Single Wheel What makes it a hybridChainsaw Grinding Wheel for Foley Belsaw models 308, 394 and 399 Recommended for chain pitches of: 3 8" . 404" 7 16" The dimensions are: 5" diameter, 3 16" thickness, with a 1 2" diameter arbor hole. They are a Resin Bond wheel, and are 60 grit. The Foley Belsaw item number is 3700587. Q. Do these wheels require any preparation to use? A. Yes. The edges of these wheels are square and must be rounded before use. Rounding is done using a Dressing Stick,