3 Piece Magnetic Screwdriver Bit Holder Set-60 100 150mm-1/4" Drill Bit Hex ShankMagnetic sockets hold screwdriver bits securely Quick bit changes for convenience 1/4" hex drive 1/4" hex socket Lengths 60, 100 and 150mmSIZE: L x W x H (mm) 0.06 x 0.211 x 0.016WEIGHT: 0.1t0412 Loops PREMIUM S2 Steel Screwdriver Bits SL3 SL4.5 SL6.5 High Torque 1/4" Drive in Metallics