Reduce wrist and forearm fatigue when working with heat tool extensions. Dr. Shrink arm assist clips are designed to transfer the extra load of using 4' and 6' extensions from your wrist to your all of your arm. If your typical shrink wrap job requires the use of an extension, this clip will help reduce wrist and forearm fatigue and allow one hand operation for improved efficiency. The clip attaches to Shrinkfast 998 heat tools without adding significant weight and can be removed for jobs not requiring extensions. Use all of your arm to control heat tools with extensions by adding a Dr. Skink arm assist clip. Key Features Reduces forearm and wrist fatigue and increases efficiency Allows one handed operation of Shrinkfast 998 heat tool with 4' or 6' extension Light-weight aluminum construction Can be removed for use without extensions