Standard nylon test tube brush With fan-shaped end, on stainless steel wire handle. Weight 3 g. Total Length 230 mm, Brush length 80 mm

Thomas No. 1178X39 Brush, Burette,  Fitted on stainless steel wire handle. Nylon, on stainless steel wire handle, for burette cap. 50ml, head dia 19mm, length 760mm, weight 30 g Thomas No. 1178X40 Brush, Burette, Fitted on stainless steel wire handle. Nylon, on stainless steel wire…