Here is a set of bamboo and stainless steel push-up handles that take your pushups to the next level. The Heroic Sport T-spikes Push-up Handles train your grip, arms, chest, and core. They force your stabilizer muscles to work harder than they would when using a regular push up board.
These push-up handles come with anti-slip end caps. The handles measure 5cm. You can find out more about it here.