Genuine Stihl Starting Throttle lock 42281829300.
suitable for the following stihl models
BG 45
BG 55
BG 55 C Z KAT
BT 45 - Z
HS 45
HS 45 - 2 MIX
HS 81 R
HS 81 RC-E
HS 81 T
HS 81 TC-E
HS 82 R
HS 82 RC-E
HS 82 T
SH 55
SH 55 C Z KAT