250lb - 500lb Monofilament Leader Speargun Line Kit - Incl 10 Crimps, 10 Thimbles & 100ft of Line (Choose Kit Size) Each kit includes everything you need to make up to 5 speargun line rigs. Choose your kit size: 250lb Kit: 100ft of 250lb(1.6mm) black monofilament, (10) stainless steel thimbles & (10) 1.8mm copper double crimping sleeves 300lb Kit: 100ft of 300lb(1.8mm) black monofilament, (10) stainless steel thimbles & (10) 2.0mm copper double crimping sleeves 400lb Kit: 100ft of 400lb(2.0mm) black monofilament, (10) stainless steel thimbles & (10) 2.2mm copper double crimping sleeves 500lb Kit: 100ft of 500lb(2.3mm) black monofilament, (10) stainless steel thimbles & (10) 2.5mm copper double crimping sleeves