4.1 kg - suitable for GPL 5 C; GPL 5; GPL 3; GLL 2-15; GLL 3-50; GLL 3-80 P; GLL 2-80 P; GRL 400 H; GRL 300 HVG; GRL 300 HV; GRL 500 H/HV; GOL 20 G/D; GOL 26 G/D