Hand-held power tool comprising a locking device

A hand-held power tool, comprising:

• a tool receiver comprising:
• a tubular tool holder;
• and
• an assigned locking device including (i) at least one locking sphere configured to lock an insert tool in the tubular tool holder, a pressure sleeve that is spring-loaded via an assigned spring element, and a stop sleeve,
• wherein
• the tubular tool holder includes at least one recess in which the at least one locking sphere is at least partially located in a locking position of the locking device,
• in the locking position, the pressure sleeve is configured to press the at least one locking sphere against the stop sleeve,
• the stop sleeve has, on its an inner circumference with at least one spherical contact surface that is complementary to an outer contour of the at least one locking sphere such that a first surface contact between the at least one spherical contact surface and the at least one locking sphere is established in the locking position.