DDIN Impact Adapters are purpose-built to handle all the abuse linemen can throw at them. The unique demands of the utility industry push tools and gear to the limit, but through rigorous formulation and testing, DDIN has engineered impact adapters that will outlast the competition and hold up through the toughest of jobs. No other brand can withstand the levels of torque that the DDIN Impact Adapters power through. When you need the best, you need DDIN, because DDIN is tougher than the rest. Sizes: Red – 7/16” Hex to 1/2” Square Yellow – 1/4” Hex to 1/2″ Square Green – 1/4″ Hex to 3/8” Square     Contact us if you have any questions.