Blue Point Fasteners Powder Load, Caliber Load: 0.22, Power Level: 4, Load Type: Neck Down Single Shot, Color Code: Yellow, 5.6 mm Dia, 16 mm L, Suitable for: POWERS P1000, P2201, Ramset 721, M70, HILTIDXE37, DXE72, SIMPSONPT22, PT22H, BP307 and BP720 Powder Actuated Tools