A torque assembly (2; 2002; 3002; 4002; 5002) comprising: an inner member (4; 2004; 3004; 4004; 5004) ; an outer member (10; 2010; 3010; 4010; 5010); a first torque member (12a; 2012a; 3012a; 4012a; 5012a) disposed between the inner member (4; 2004; 3004; 4004; 5004) and the outer member (10; 2010; 3010; 4010; 5010); and a second torque member (12b; 2012b; 3012b; 4012b; 5012b) disposed radially exterior or interior to the first torque member (12a; 2012a; 3012a; 4012a; 5012a); wherein upon rotation in a first circumferential direction, the first torque member (12a; 2012a; 3012a; 4012a; 5012a) is allowed to generally freely rotate and in a second circumferential direction, the first torque member (12a; 2012a; 3012a; 4012a; 5012a) is radially shifted to impede or prevent rotation, and wherein the second torque member (12b; 2012b; 3012b; 4012b; 5012b) provides a circumferential slip interface between the inner member (4; 2004; 3004; 4004; 5004) and the outer member (10; 2010; 3010; 4010; 5010) to allow rotation in the second circumferential direction, wherein the first torque member (12a; 2012a; 3012a; 4012a; 5012a) has a first torque, T 1 , wherein T 1 is the minimum torque at which the first torque member rotates in the first circumferential direction, wherein the first torque member (12a; 2012a; 3012a; 4012a; 5012a) has a second torque, T 2 , wherein T 2 is the minimum torque at which the first torque member (12a; 2012a; 3012a; 4012a; 5012a) rotates in the second circumferential direction, wherein the second torque member (12b; 2012b; 3012b; 4012b; 5012b ) has a third torque, T 3 , wherein T 3 is the minimum torque at which the second torque member (12b; 2012b; 3012b; 4012b; 5012b) rotates in the second circumferential direction, and characterised in that T 1 < T 3 < T 2 , wherein the first torque member (12a; 2012a; 3012a; 4012a; 5012a) is at least partially radially exterior or radially interior to the second torque member (12b; 2012b; 3012b; 4012b; 5012b). an inner member (4; 2004; 3004; 4004; 5004) ; an outer member (10; 2010; 3010; 4010; 5010); a first torque member (12a; 2012a; 3012a; 4012a; 5012a) disposed between the inner member (4; 2004; 3004; 4004; 5004) and the outer member (10; 2010; 3010; 4010; 5010); and a second torque member (12b; 2012b; 3012b; 4012b; 5012b) disposed radially exterior or interior to the first torque member (12a; 2012a; 3012a; 4012a; 5012a); wherein upon rotation in a first circumferential direction, the first torque member (12a; 2012a; 3012a; 4012a; 5012a) is allowed to generally freely rotate and in a second circumferential direction, the first torque member (12a; 2012a; 3012a; 4012a; 5012a) is radially shifted to impede or prevent rotation, and wherein the second torque member (12b; 2012b; 3012b; 4012b; 5012b) provides a circumferential slip interface between the inner member (4; 2004; 3004; 4004; 5004) and the outer member (10; 2010; 3010; 4010; 5010) to allow rotation in the second circumferential direction, wherein the first torque member (12a; 2012a; 3012a; 4012a; 5012a) has a first torque, T 1 , wherein T 1 is the minimum torque at which the first torque member rotates in the first circumferential direction, wherein the first torque member (12a; 2012a; 3012a; 4012a; 5012a) has a second torque, T 2 , wherein T 2 is the minimum torque at which the first torque member (12a; 2012a; 3012a; 4012a; 5012a) rotates in the second circumferential direction, wherein the second torque member (12b; 2012b; 3012b; 4012b; 5012b ) has a third torque, T 3 , wherein T 3 is the minimum torque at which the second torque member (12b; 2012b; 3012b; 4012b; 5012b) rotates in the second circumferential direction, and characterised in that T 1 < T 3 < T 2 , wherein the first torque member (12a; 2012a; 3012a; 4012a; 5012a) is at least partially radially exterior or radially interior to the second torque member (12b; 2012b; 3012b; 4012b; 5012b). <EOS>