Set screw conduit coupling. Rated concrete tight. UL (Underwriter's Laboratories) listed. No. TK221SC1: Conduit Type: EMT, Trade Size: 1/2 In., Connection Type: Set Screw, Material: Die-Cast Zinc, UL Listed: Yes, Pkg Qty: 1, Package Type: Bag No. TK221SC5: Conduit Type: EMT, Trade Size: 1/2 In., Connection Type: Set Screw, Material: Die-Cast Zinc, UL Listed: Yes, Pkg Qty: 5, Package Type: Bag No. TK221SC50CP: Conduit Type: EMT, Trade Size: 1/2 In., Connection Type: Set Screw, Material: Die-Cast Zinc, UL Listed: Yes, Pkg Qty: 50, Package Type: Box No. TK222SC1: Conduit Type: EMT, Trade Size: 3/4 In., Connection Type: Set Screw, Material: Die-Cast Zinc, UL Listed: Yes, Pkg Qty: 1, Package Type: Bag No. TK222SC5: Conduit Type: EMT, Trade Size: 3/4 In., Connection Type: Set Screw, Material: Die-Cast Zinc, UL Listed: Yes, Pkg Qty: 5, Package Type: Bag No. TK222SC25CP: Conduit Type: EMT, Trade Size: 3/4 In., Connection Type: Set Screw, Material: Die-Cast Zinc, UL Listed: Yes, Pkg Qty: 25, Package Type: Box No. TK223SC1: Conduit Type: EMT, Trade Size: 1 In., Connection Type: Set Screw, Material: Die-Cast Zinc, UL Listed: Yes, Pkg Qty: 1, Package Type: Bag No. TK124-1: Conduit Type: EMT, Trade Size: 1-1/4 In., Connection Type: Set Screw, Material: Die-Cast Zinc, UL Listed: Yes, Pkg Qty: 1, Package Type: Bag No. TK125-1: Conduit Type: EMT, Trade Size: 1-1/2 In., Connection Type: Set Screw, Material: Die-Cast Zinc, UL Listed: Yes, Pkg Qty: 1, Package Type: Bag No. TK126-1: Conduit Type: EMT, Trade Size: 2 In., Connection Type: Set Screw, Material: Die-Cast Zinc, UL Listed: Yes, Pkg Qty: 1, Package Type: Bag Thanks for shopping Hipp Hardware Plus's Online Store for all your DIY and Home Improvement needs. Remember Hipps Help!