This Malaysia made concept vehicle has a metal base and tail, gray plastic saw blade, orange plastic interior.

 a. clear black, , metal base and tail, gray saw blade, orange int., black and yellow Caution design on top, os5. 2011 New Models #28 $1 – 2
a2. clear black as a, w/red and white Hot Wheels logo on sides of engine. 2011 New Models #28 1 – 2
 b. clear red,  as a2, gray int., os5. 2011 New Models #28 1 – 2
c. red, metal base, black tail, blue int., gray saw blade, black, yellow and silver blade design on top, pr5yw, Mal. HW CODE Cars #236 (2012) 1 – 2
c2. dk. red, as c, pr5yw, Mal. HW CODE Cars #236 (2012) 1 – 2
Buzzerk (d) d. clear pink, metal base, flat black tail, blue int., black blade, black, yellow and lt. blue Hot Wheels design on top, os5bk/yw-rim, Th. Attack Pack 5-pack (2012) 2 – NA
Buzzerk (e) e. red, mf gold metal base, metal tail, black int., and blade, black and silver armor design on top, silver os5ch, Mal. HW City – Medieval Rides 68 (2014) 1 – 2
 f. green, lt green metal base, gray int., gold blade, os5gd, Mal. HW City – Medieval Rides 68 (2014) 1 – 2
 g. dk. blue, mf gold metal base, and tail, black int., gold blade, gold, red, and red design on top, os5bk/rd-rim, Mal. Max Steel Aqua Invasion 5-pack or BP #07 intl. (2014) 5 – 10