Thick Grips Thick Grips = thicker forearms. A pair of bulk™ Thick Grips might be just what you need to take your lifts to the next level. These Thick Grips wrap around dumbells & bars up to Olympic size & serve to increase their diameter, making lifts harder, more challenging & ultimately pushing your grip strength to the limit. Thick Grips are a popular way of improving grip & forearm strength & make a great addition to any lifters gym bag. Made from a premium, non-slip silicone