These two molds produce straight and curved 20 g jigs. 

They are made of special lead proof silicone resistant to temperatures up to 400 C / 752 F.

The weight of the jigs is 20 g / 0.7 oz

They eye size is 4mm

They are just as deadly in vertical jigging as they are in casting fishing. 

The straight one is perfect for speed jigging while the curved one for slow pitch jigging.