【N233943 Nailer Springs】：Nailer Springs for Dewalt Nailer Springs N233943, The Nailer Springs come in a beautiful, corrosion resistant, nickel plated finish to provide optimum expansion when compressed. 【DCN6901 Nailer Springs】：Replacement for DCN6901 Nailer Springs is so easy ,Only takes 5 minutes to fix the Nailer and Quick fix for the Dewalt nailer that did not feed and drive nails. 【Nailer Springs Dimensions】：0.02 inch wire diameter, 0.3 inch outside diameter, 13.78 inch length. 【N233943 Nailer Springs Compatibility with】：DCN21PLB, DCN21PLM1, DCN693B, DCN693M1, DCN690B, DCN692M1, CMCN621PLB, DCN692B, BCF28WWB, BCF30PTM1,BCF28WWM1, BCF30PTB. 【Sincere Service】：Pls contact us first when you get some problem, we will offer you assistance asap,all your questions and issues will be resolved within 24 hours.