Irwin IWAF353 IMP 3IN MAG BIT TIP HLDR W/HOG RNG-1PK

C-ring design contains an internal clip that fits into the retaining ring notch of the insert bit to hold the bit securely in place. Rare earth magnet holds fastener securely, magnet is 4X more powerful than standard magnets. Insert bit holders magnetic lgth 3 inches C-ring design has internal clip that fits into the retaining ring notch of the insert bit to hold bit securely in place. Rare earth magnet holds fastener securely.