Consists of the following parts
3015_22 high flow pin probe for fx panthera, dynamic, king and drs
1308 tuning hammer spring for fx airguns
1810 and 1811 fx tuning hammer weight set for fx boss, crown, Dreamline, dynamic, king, maverick, panthera, drs and wildcat
weight 1 is 14.885 grams
weight 2 is 13.490 grams
standard hammer on drs is 12.085 grams