These Hammer Zero Shock cases are better for large size note book PC (over 15' case)
Using double Memory foam for Hammer Zero Shock cases to make them stronger.

Part# NH: No Handle	Inside Size (mm) (WxLxT)	Outside Size (mm) (WxLxT)	Monitor Size (inch) (Full case size)
HK-SM-OH or NH	370 x 330 x 35	400 x 360 x 45	19
HA4L-SM-OH or NH	350 x 295 x 35	380 x 330 x 45	17.5
HA4W-SM-OH or NH	370 x 265 x 35	400 x 290 x 45	15.4 (Samsung)
HA4W+-SM-OH or NH	370 x 275 x 35	395 x 330 x 45	15.4 (Samsung)
HA4M-SM-OH or NH	330 x 270 x 35	360 x 300 x 45	15.1
HA4S-SM-OH or NH	320 x 270 x 35	350 x 300 x 45	15
HB5M-SM-OH or NH	305 x 240 x 35	330 x 270 x 45	14
HB5S-SM-OH or NH	295 x 235 x 35	320 x 260 x 45	13.5 ~ 14
HA5W-SM-OH or NH	275 x 190 x 35	310 x 220 x 45	13.5
Made from 'Memory Foam' - a product designed by NASA in U.S.A. used for space ship's seat, medical & sounding products. Memory foam is a polyurethane foam which has a special physical character, absorbing shocks from outside better than others and is resistant to fires, pressures, scratches.
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