mini grinder 840w 115mm makita 9557hnrMakita 9557HNR mini grinder for 115 mm discs, 840 W and 11,000 Rpm, with SAR system to prevent accidental machine start. Hermetic head with the possibility of changing the position every 90 CHARACTERISTICS With SAR system Slim body, more comfortable and ideal for one handed operation Hermetic head to prevent oil loss Possibility of varying the position of the head every 90 SPECIFICATIONS Power: 840W Rpm: 11,000 Rpm Disc diameter (max.): 115mm