C CLINK Snow Plow Blade Markers/Guides Kit Fit for Blizzard Boss SNO-Way Western Snowplows 62265 & Many More Pickup Truck SUV UTV ATV

Can you verify the measurements that you show on the picture? The screw holes cannot be over 6" apart, and the long hole just cannot be over 6" long.

Sold in pairs?

Do you have to drill into the plow/snowblower for these to attach or do they clamp on?