SIGPRO 3D Hitting StripSIGPRO 3D Hitting Strip Ideal for golfers looking to replace the hitting strips in their SIGPRO Mats or DIYers that need an insert for their subfloor the SIGPRO 3D, SIGPRO Softy, and Preferred, are all designed with their own unique qualities and differences that result in better performance, durability and feel. The SIGPRO 3D Hitting Strip is our most durable insert that will withstand repetitive impacts for long term use in a residential or