The wider hook on this model allows you to hang your nailguns from I-joists up to 2 5/16″ wide. Our durable, high quality hanger will allow you to secure your nail gun next to you while you work. Don’t waste time lowering your tool to the ground between runs. Or risk it falling and getting damaged while you grab the next board. Work faster and smarter with Toolhangers. RETRACTABLE I-JOIST NAIL GUN HANGER