The Capri Tools 3/8 in.
Meets and exceeds ASME B107. drive deep impact sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 mm and (15) shallow impact sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22 mm The 6-point WaveDrive design grips fasteners more tightly than traditional design, preventing fastener rounding and giving you more leverage. We use premium Chrome Molybdenum steel tempered with our proprietary heat treatment process to make these impact sockets and accessories. drive shallow and deep impact sockets in metric sizes.