These K & H famous "red head"wedges are easily identified by their unique red top. K & H introduced its signature durable, non-sparking, lightweight felling wedge in 1962, it has become a staple for arbor, logging, auto and construction industries ever since. Constructed of durable ABS plastic, and textured to prevent slipping, K & H wedges are versatile, durable, and provide exceptional lifting and splitting power.