Smarthockey Slider Hockey PuckThe Smarthockey Slider Speed Puck helps players develop lightning quick, soft hands. The Slider uses nylon sliding disks that mimic how a puck glides on a clean sheet of ice, but what makes the Slider different is the vulcanized rubber patty that gives it the same dull feel of an ice hockey puck. At 4. 3 oz (122g), the Slider is 2 oz lighter than an ice hockey puck which makes it perfect for perfecting your toe drag, quick side to side and puck