This applicator brush has anti-static hog bristle and a chemical-resistant stainless steel tube handle. Constructed with strong mechanical clamping for maximum fill retention, and contains no adhesives that can leach out and contaminate work areas. 3/4" trim, brush face 1/2" wide, and a handle length of 6" x 3/8" diameter. This brush has a maximum use temperature of 380°F. For other brush size options within this series using hog bristle, see parts: SST2CK, SST6CK, SST10CK