DT Squorx Pro Head nipples combine ease of use, lightweight and optimum performance in a single product. The DT Pro Head shape combined with both a torx and a square tool interface makes wheel building a lot easier. The spherical contact surface aligns the nipple perfectly with the spoke. Integrated DT Pro Lock threadlock system. All brass nipples are recommended for e-bike use. Weight: from 26 g for 64 nipples.