The Klein Bull-Pin and Bolt bag features bolt pin loops on each side for easy access. Connection points on the inside and front provide a place to attach tool tethers. The #4 sturdy canvas and durable double bottom can withstand the most extreme job sites. Hang on your belt for easy access. For more than 160 years, Klein Tools has manufactured premium-quality, professional-grade hand tools that deliver the performance, durability and precision needed to get the job done right.