Soft rubberized handle material (Santoprene) provides maximum gripping Angled edge, already hardened blue steel blades, 0,018" thick Aluminum extrusion backing Ergonomic design reduces hand fatigue Broad hilt design gives total hand protection Built-in cavity maximizes control Thinnest head on the market miximizes gripping effort and blade control Applies and feathers drywall compound. Richard Ergo-Grip Blue Steel Taping Knives