12 Keyless Drill Chuck 1220 Attachment, Keyless Hand Drill Chuck, SelfTaking Multifunction Chuck, KoleZy p202411261037The chuck can hold the drill firmly and sturdy, not easy to loosen. Durable and has a long service life, suitable for longterm work. Easy to install and disassemble, more convenient and more economical. Wide range of spans from 2 to 13 mm, suitable for many types of drills. The keyless and selftightening type design is more in line with human engineering.FeaturesThe chuck can hold the drill firmly and sturdy, not easy to loosen. Durable and has a long service life, suitable for longterm work. Easy to install and disassemble, more convenient and more laborsaving. Wide range of spans from 2 to 13 mm, suitable for many types of drills. The keyless and selftightening type design is more in line with human engineering.SpecificationDiameter 43 mm1.69 inchesLength 58mm2.28inchConnection size 1220UNFClamping range 213mm0.040.51inchPackage list1Drill chuck