No. 1.81/1: For sliding hammers 1.35/1, 1.35/2, counter-support brace 1.36/1, No. 1.81/2: For sliding hammers 1.35/2, 1.36/2, counter-support brace 1.36/3, No. 1.81/2: For slide hammer No. 1.35/2, 1.36/2, counter support No. 1.36/3