4Pcs 2Styles Football Referee Chain Clip Football Official Yard Markers Rugby Football Referee Gear for Head Linesman Umpire Equipment Orange Black Package Includes -- You will receive 4 pcs football referee chain clips, 2 pcs orange chain clip models and 2 pcs black snap rope models, different styles of referee chains are suitable for different games, convenient for you to choose according to your needs. Portable Size -- Orange football chain clip model: about 32.3 cm/12.72 inch long, 25.5 mm/1 inch wide, 0.04 inch/1mm thick; Black snap rope model: about 32 cm/12.6 inch long, 25 mm/0.98 inch wide,0.12 inch/3mm thick. can be wrapped around your wrist or hanged on a key chain, easy to carry. Durable Material -- The main body of the football referee hand leash is made of polyester, strong and firm, not easy to tear. The surface pattern adopts heat transfer printing process, which can keep the colour not fading for a long time. Professional Supplies -- Designed for youth games, high schools, colleges and leagues, this referee chain clip is a must-have for all amateur and professional football referees and is perfect for use during games or practice. How to Use -- During use, slide the black plastic slider along the nylon strap to mark 0-50 yards or 0-4 yards in increments of 5 yards or 1 yard and record the value. A reinforced metal spring clip or snap cord at the end secures the chain.