Product details Chuck, Magnetic,1/4 inch (6.35mm) Hex Detent Drive. 7/32inch (5.5mm) Shank, Compatible with Stanley 'Yankee' and cloned Spiral Ratchet Screwdrivers #133, #135 and #233, #2

Chuck, Magnetic,1/4 inch (6.35mm) Hex Detent Drive. 7/32inch (5.5mm) Shank, Compatible with Stanley 'Yankee' and cloned Spiral Ratchet Screwdrivers #133, #135 and #233, #2

Chuck, Magnetic,1/4 inch (6.35mm) Hex Detent Drive. 7/32inch (5.5mm) Shank, Compatible with Stanley 'Yankee' and cloned Spiral Ratchet Screwdrivers #133, #135 and #233, #24K05.55