Profile: JCS Hi-Torque Ltd specializes in offering torque clamps. Hi-Grip worm drive hose clip is made from heavily zinc plated mild steel and is used for a wide variety of domestic, automotive and industrial applications. Tamtorque sign fixing clamps have been designed for clamping signs of all types to round, square, hexagon or any unusual shaped post, giving a quick and reliable fix every time. They are available in seven diameters covering post sizes from 55mm to 340mm diameter without the need to cut the band to size. They do not therefore have sharp edges which can snag or cut and, unlike other banding systems, can be easily re-used or readjusted.