Very high quality Tecomec Wedge
 
Made in Italy, they are 9-1/2" long, 2-3/4" wide and 1-1/2" high. These professional wedges are  bright Red and made for felling, bucking and great for use in a chainsaw mill to prevent pinching the bar.
 
These wedges are double tapered and made of very tough plastic.  These wedges are durable and safe for felling and bucking without damaging the chain, they have a rough surface for more anti-kick and higher lifting force.