Shop Our Products. Mac Tools 4 PC. 1/4" Drive Knurled Extension Set, SMEK5PTStore/Ratchets, Extensions$65.00or four payments of $16.25 each byView detailsIn stock: 1 available Add More Add to BagGo to CheckoutProduct DetailsUPC: 14928Originally a five piece set, missing oneShow MoreSave this product for later Favorite Favorited View FavoritesShare this product with your friendsShareSharePin itMac Tools 4 PC. 1/4" Drive Knurled Extension Set, SMEK5PTStore/Ratchets, Extensions