General description Silverline Keyed Chuck, Key & SDS Plus Adaptor Kit is designed for use with rotary and percussion drills as well as drill drivers. This versatile kit includes a metal body chuck that provides durability and reliability for various drilling tasks. Technical specifications Chuck capacity: 1.5mm to 13mm Thread size: 1/2" 20UNF Compatibility and accessories Includes T-type chuck key Includes SDS Plus adaptor Installation Set to hammer stop when using with hammer drills