A fastener for a car-body straightening device, by means of which fastener a vehicle is fastened to a straightening table of the car-body straightening device for the time of straightening work. The memory hub includes at least one performance counter that tracks one or more system metrics\u2014for example, page hit rate, number or percentage of prefetch hits, cache hit rate or percentage, read rate, number of read requests, write rate, number of write requests, rate or percentage of memory bus utilization, local hub request rate or number, andor remote hub request rate or number. The slit is provided with a first slit and a second slit, and an integral bride portion is provided between those slits. Further, the triaxial acceleration sensor 1 is directly bonded to the sensor driving IC 40 via the through-hole 32, and the sensor driving IC 40 is bonded to the partition plate 31 of the housing 30.