Automatic Come Along Clamp or Self Grip Clamp Automatic Come Along Clamp TTST - ACAC Automatic or self grip come along clamp are used for gripping or holding conductors in overhead power transmission line.(1) For Auto clamp for conductor = Suitable up to 16 mm to 32mm and 28 mm to 32 mm, Capacity = 6 Ton.(2) For Earth Wire = Suitable up to 4 to 22 mm, Capacity = 2 Ton.