description hms kit-m2500-sm4s-h45ha concrete consolidation tool the kit includes the following, 1 each m2500 motor, sm4s 13 ft shaft and h45ha 1.8 in. head. california proposition 65 warning. specifications acme tools brand name wacker neuson acme tools part number 5100018080 assembled weight (lbs) 5.0 california proposition 65 warning required yes globaltradeitemnumber (gtin) 00400100008928 package weight 6 package weight (lbs) 6 upc 400100008928