| Complies with all IEC, EN, UL, CSA and International Standards which require a 50mm diameter, 500g impact ball. This ball is hardened steel with a chrome finish and is provided with a removable eyelet to allow for drop or pendulum use. Model: ITB-03 Impact Test Ball Same as ITB-01 except 2 in. diameter, 1.18 lb. Model: ITB-04 Impact Test Ball 40mm in diameter with a Rockwell Hardness of at least R62 (as required by IEC60065, CL18.23) |