A power tool comprising: a housing; a handle having two ends, the first end being moveably mounted to the housing via a first mounting assembly, the second end being moveably mounted to the housing via a second mounting assembly; a biasing mechanism connected between the housing and the handle; wherein at least one of the mounting assemblies (36, 34) comprises: a first part mounted on the housing and a second part mounted on the one end (30, 32) of the handle, one part comprising a passageway, the other part comprising a rod, having a longitudinal axis, which is located in and capable of being axially slid within the passageway to enable the end (30, 32) of the handle to move towards or away from the housing; at least part of the wall of the passageway in a lengthwise direction of the passageway comprises a curved convex support surface (222; 228; 230) which is capable of engaging the side of the rod to enable the rod to pivot within the passageway about an axis which is perpendicular to the axis of the rod; characterised in that the at least part of the wall of the passageway in a lengthwise direction of the passageway comprises a curved convex support surface which is formed from the ends of a series of ribs which project towards the passageway. a housing; a handle having two ends, the first end being moveably mounted to the housing via a first mounting assembly, the second end being moveably mounted to the housing via a second mounting assembly; a biasing mechanism connected between the housing and the handle; wherein at least one of the mounting assemblies (36, 34) comprises: a first part mounted on the housing and a second part mounted on the one end (30, 32) of the handle, one part comprising a passageway, the other part comprising a rod, having a longitudinal axis, which is located in and capable of being axially slid within the passageway to enable the end (30, 32) of the handle to move towards or away from the housing; at least part of the wall of the passageway in a lengthwise direction of the passageway comprises a curved convex support surface (222; 228; 230) which is capable of engaging the side of the rod to enable the rod to pivot within the passageway about an axis which is perpendicular to the axis of the rod; characterised in that the at least part of the wall of the passageway in a lengthwise direction of the passageway comprises a curved convex support surface which is formed from the ends of a series of ribs which project towards the passageway. a first part mounted on the housing and a second part mounted on the one end (30, 32) of the handle, one part comprising a passageway, the other part comprising a rod, having a longitudinal axis, which is located in and capable of being axially slid within the passageway to enable the end (30, 32) of the handle to move towards or away from the housing; at least part of the wall of the passageway in a lengthwise direction of the passageway comprises a curved convex support surface (222; 228; 230) which is capable of engaging the side of the rod to enable the rod to pivot within the passageway about an axis which is perpendicular to the axis of the rod; characterised in that the at least part of the wall of the passageway in a lengthwise direction of the passageway comprises a curved convex support surface which is formed from the ends of a series of ribs which project towards the passageway.