Lobular design drives fastener on side instead of corner for less stripping and longer life. Rare earth magnets hold fasteners securely with four times the hold of standard magnets. 1/4" quick change shank is designed to work with impact drivers, and reduces slipping in standard drill chucks. No. 1837533: Drive Size: 1/4", Shank Size: 1/4", Length: 1-7/8", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1837536: Drive Size: 5/16", Shank Size: 1/4", Length: 1-7/8", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1837539: Drive Size: 3/8", Shank Size: 1/4", Length: 1-7/8", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1837542: Drive Size: 7/16", Shank Size: 1/4", Length: 1-7/8", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1899935: Drive Size: 1/2", Shank Size: 1/4", Length: 1-7/8", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1837556: Drive Size: 1/4", Shank Size: 1/4", Length: 4", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1837558: Drive Size: 5/16", Shank Size: 1/4", Length: 4", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1837560: Drive Size: 3/8", Shank Size: 1/4", Length: 4", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1899937: Drive Size: 1/2", Shank Size: 1/4", Length: 4", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1837562: Drive Size: 1/4", Shank Size: 1/4", Length: 6", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1837564: Drive Size: 5/16", Shank Size: 1/4", Length: 6", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1837566: Drive Size: 3/8", Shank Size: 1/4", Length: 6", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1899938: Drive Size: 1/2", Shank Size: 1/4", Length: 6", Magnetic: Yes, Pkg Qty: 1, Package Type: Card No. 1899939: Drive Size: 1/2", Shank Size: 1/4", Length: 12", Magnetic: Yes, Pkg Qty: 1, Package Type: Card ---- 1. 海外直輸入品となりますので、新品であっても、パッケージに多少のダメージがある場合もございますが、商品本体には問題ございませんのでご安心ください。2. 日本国内でのメーカーによる製品保証等は適用されません。3. パッケージや、説明書等は、英語表記となります。