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…

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