Salvimar Hand/Pole Spear Rubbers will fit all Salvimar 14mm hand/pole spears and is an exact replacement component of original Salvimar Rubbers. It is made from 100% latex rubber and is made through a high-tech rubber extrusion process which extends the life of the latex offering 1000% elasticity. The rubber includes a durable Dyneema crimp that prevents the knots from pulling through the rubber for easy installation and longevity.