The E-Force '08 Command 170 Racquetball Racquet has the E-Force Exclusive Long Powerhouse Shaft added while retaining 22" mainstrings. You get more whip and more power at impact with less vibration, more stability and greater control and tremendous thrust on follow-thru. Composition-Carbon Graphite. Weight-170g. Length-22". String Pattern-14x16. Grip-E-Force Resin. 915201-SS. 915202-XS. SS(3-5/8"), XS(3-15/16")