Felo 4007157615572 0715761557 R-Go Screw Driver with Bitholder and 1/4-Inch Ratchet Black and Yellow, 36-Piece Extremely strong ratcheting mechanism with super fine toothing: 885 lb/in, 72 teeth, 5 degree ratcheting angle Sockets safely locked and easily released by push-button Handle permanently connected to ratchet by injection molding