Derrick kit for working at height This 167-piece Derrek kit provides a safe toolkit solution when working at height. Featuring a collection of easy-to-attach tethered tools for use in many industries where height is a factor, each item in the Derrek kit is expertly made to deliver exceptional quality and prevent accidents. Drilling Kit Model 20 Key Features: 176-piece Derrek kit for use in onshore and offshore cranes Tethered tools prevent hazards when working from height Tools are houses in 7 robust cabinets with foam tool control A secure and dependable toolkit solution for working at heights Top-quality tools are perfect to use in a wide variety of industries