An extendable element (202a, 202b, 302a, 302b, 402, 502a, 502b, 602) of a downhole tool connected to a disintegrating tool within a borehole, the extendable element configured to be in contact with at least one of a borehole wall, a casing in the borehole, a liner in the borehole and a hanger in the borehole when in operation, the downhole tool being extendable by the extendable element, the extendable element being configured to be extendable from the downhole tool in an extension direction having a component perpendicular to an axis of the downhole tool and parallel to, or along, a radial line (L r) of the downhole tool, the extension direction further comprising a component that is parallel to the axis, wherein, when in operation, a force is applied to the extendable element (202a, 202b, 302a, 302b, 402, 502a, 502b, 602) from the contact with the at least one of a borehole wall, a casing in the borehole, a liner in the borehole or a hanger in the borehole, the extendable element (202a, 202b, 302a, 302b, 402, 502a, 502b, 602) comprising a cross-section that includes the extension direction component that is perpendicular to the axis of the downhole tool, the cross-section comprising: a first surface of the extendable element configured to contact, and receive a first force component (F 1) of the force from, the at least one of a borehole wall, a casing in the borehole, a liner in the borehole or a hanger in the borehole, the first force component extending in a direction along a force line (Lf) substantially perpendicular to the first surface of the extendable element; and a second surface of the extendable element opposite to the first surface configured to contact, and transfer at least a portion of the first force component of the force to, a body of the downhole tool (200a, 200b, 300a, 300b, 400, 500a, 600), wherein the second surface defines a tangent line (Lt) at a location where the force line (L f) intersects the second surface, the tangent line (L t) being parallel or tangential to the second surface, and wherein the tangent line (Lt) and the extension direction component perpendicular to the axis of the downhole tool draw a first angle (A 1) that is between 0° and 90°. the extendable element being configured to be extendable from the downhole tool in an extension direction having a component perpendicular to an axis of the downhole tool and parallel to, or along, a radial line (L r) of the downhole tool, the extension direction further comprising a component that is parallel to the axis, wherein, when in operation, a force is applied to the extendable element (202a, 202b, 302a, 302b, 402, 502a, 502b, 602) from the contact with the at least one of a borehole wall, a casing in the borehole, a liner in the borehole or a hanger in the borehole, the extendable element (202a, 202b, 302a, 302b, 402, 502a, 502b, 602) comprising a cross-section that includes the extension direction component that is perpendicular to the axis of the downhole tool, the cross-section comprising: a first surface of the extendable element configured to contact, and receive a first force component (F 1) of the force from, the at least one of a borehole wall, a casing in the borehole, a liner in the borehole or a hanger in the borehole, the first force component extending in a direction along a force line (Lf) substantially perpendicular to the first surface of the extendable element; and a second surface of the extendable element opposite to the first surface configured to contact, and transfer at least a portion of the first force component of the force to, a body of the downhole tool (200a, 200b, 300a, 300b, 400, 500a, 600), wherein the second surface defines a tangent line (Lt) at a location where the force line (L f) intersects the second surface, the tangent line (L t) being parallel or tangential to the second surface, and wherein the tangent line (Lt) and the extension direction component perpendicular to the axis of the downhole tool draw a first angle (A 1) that is between 0° and 90°. a first surface of the extendable element configured to contact, and receive a first force component (F 1) of the force from, the at least one of a borehole wall, a casing in the borehole, a liner in the borehole or a hanger in the borehole, the first force component extending in a direction along a force line (Lf) substantially perpendicular to the first surface of the extendable element; and a second surface of the extendable element opposite to the first surface configured to contact, and transfer at least a portion of the first force component of the force to, a body of the downhole tool (200a, 200b, 300a, 300b, 400, 500a, 600), wherein the second surface defines a tangent line (Lt) at a location where the force line (L f) intersects the second surface, the tangent line (L t) being parallel or tangential to the second surface, and wherein the tangent line (Lt) and the extension direction component perpendicular to the axis of the downhole tool draw a first angle (A 1) that is between 0° and 90°.