For LCN Cast Iron Closers, the 4050A, and Falcon SC closers it is (1 3/4") wide, (1 1/2") tall and (1 1/2") deep
For 1250 and 1450 LCN Alum body Closers it is (2") wide, (1 1/2") tall and (1 1/2"...
BSS means - Blade Stop Spacer. A -61 for example would be used after the series of the closer being used.
CSS means - Cush Shoe Support. A -30 for example would be used after the series of the cl...