The Bosch Chuck Key S2 is a replacement chuck key designed for use with keyed drill chucks, identified by reference type S2 and key type D. When a chuck key is lost or damaged, finding the correct replacement is essential for reliable chuck operation. This key is compatible with keyed chucks that require a type D key, making it a practical spare to keep on hand for workshop or site use. With an outer length of 110mm and a key length of 40mm, the S2 offers a comfortable reach and good leverage when tightening or loosening the chuck. The 6mm key diameter ensures a secure fit in the chuck’s drive holes, helping to avoid slipping or rounding during use. Suitable for tradespeople, engineers, and workshop users who need a direct like-for-like replacement, the S2 is a straightforward solution when the original key has been misplaced or worn. Features and Benefits: • Replacement chuck key for keyed drill chucks • Type D key configuration — ensure compatibility before ordering • Compact and lightweight at 60g for easy storage Specifications: Ref. type: S2 Replacement key type: D Outer length (L1): 110mm Key length (L2): 40mm Key diameter (Z): 6mm Net weight: 0.060kg