12" block brush with a mixture of 0.018" black and white Nylon bristle staple-set within a hardwood block. This high-quality, heavy-duty brush has a 2-1/2" trim. Wood block has an ACME thread 1-1/2" deep on both sides. Overall block length 12" x 3-1/2" wide. Ideal for use as an all-purpose cleaning and scrub brush.
For other fill material options within this series, see parts: 55LT, 55LN.
Requires handle with ACME thread >