Abstract: A socket wrench includes a head unit with two lug members, a tubular shaft, a handle rod, a first spring-loaded member disposed to permit the tubular shaft to be rotatably engaged with the head unit, and a second spring-loaded member disposed to permit the handle rod to be slidably engaged with the tubular shaft. The handle rod has front and rear end segments each having a cavity configured such that when the handle rod is displaced to a forward or rearward position, the second spring-loaded member is engaged therein, and such that when the handle rod is moved away from the forward or rearward position, the second spring-loaded member can slide out of the cavity.

Abstract: A socket wrench includes a head unit with two lug members, a tubular shaft, a handle rod, a first spring-loaded member disposed to permit the tubular shaft to be rotatably engaged with the head unit, and a second spring-loaded member disposed to permit the handle rod to be slidably engaged with the tubular shaft. The handle rod has front and rear end segments each having a cavity configured such that when the handle rod is displaced to a forward or rearward position, the second spring-loaded member is engaged therein, and such that when the handle rod is moved away from the forward or rearward position, the second spring-loaded member can slide out of the cavity.

Abstract: A fastener-driving sleeve assembly is driven by a driving tool to rotate a fastener, and includes a connecting sleeve and a reinforcing ring. The connecting sleeve has a tool-connecting portion and a fastener-connecting portion. The tool-connecting portion has a head-receiving hole engaging fittingly a driving head of the driving tool. The fastener-connecting portion has a fastener-receiving hole engaging fittingly the fastener. The reinforcing ring is sleeved fixedly on the fastener-connecting portion of the connecting sleeve. The reinforcing ring and the connecting sleeve have complementary interengaging surfaces. Preferably, the connecting sleeve and the reinforcing ring are made of two different metal materials, respectively.

Abstract: An easily assembled swivel mount device includes a housing having a peripheral shoulder abutment and a peripheral ramp which extends toward the shoulder abutment and which terminates at a peripheral blocking protrusion, a swivel member swivelably mounted on the housing by means of a shaft, and a sleeve member having a leading abutment edge which is brought to abut against the shoulder abutment, and an inner peripheral guideway which extends away from the leading abutment edge and which terminates at a peripheral blocked ledge such that the blocked ledge can be retained behind the blocking protrusion after slipping over the peripheral ramp.

Abstract: A fastener-driving sleeve assembly is driven by a driving tool to rotate a fastener, and includes a connecting sleeve and a reinforcing ring. The connecting sleeve has a tool-connecting portion and a fastener-connecting portion. The tool-connecting portion has a head-receiving hole engaging fittingly a driving head of the driving tool. The fastener-connecting portion has a fastener-receiving hole engaging fittingly the fastener. The reinforcing ring is sleeved fixedly on the fastener-connecting portion of the connecting sleeve. The reinforcing ring and the connecting sleeve have complementary interengaging surfaces. Preferably, the connecting sleeve and the reinforcing ring are made of two different metal materials, respectively.

Abstract: An easily assembled swivel mount device includes a housing having a peripheral shoulder abutment and a peripheral ramp which extends toward the shoulder abutment and which terminates at a peripheral blocking protrusion, a swivel member swivelably mounted on the housing by means of a shaft, and a sleeve member having a leading abutment edge which is brought to abut against the shoulder abutment, and an inner peripheral guideway which extends away from the leading abutment edge and which terminates at a peripheral blocked ledge such that the blocked ledge can be retained behind the blocking protrusion after slipping over the peripheral ramp.