The P36 Monopod Adapter from Sirui makes it possible to attach the mini-tripod base of a P-325FS or P-325FL monopod to a P-306 or P-326 monopod. This is a useful adapter for users who own both types of monopods. It increases the versatility and stability of a P-306 or P-326 monopod and adds 3.7" of height.The P36 Adapter Kit with Tripod Base from Sirui makes it possible to attach the mini-tripod base to a P-306 or P-326 monopod. This is a useful kit that increases the versatility and stability of a P-306 or P-326 monopod by adding a mini-tripod base, like the one found on the P-325FS and P-325FL monopod.