テキスト ボックス: P-M3 + P-3B + WBP-2
テキスト ボックス:         Attractive Butt End
テキスト ボックス: P-M3 is a ring with holes, P-3B is an inner colorful ring, and the WBP-2 is of course our popular balancer butt end.  When you use a P-M3, you will need a P-3B to support its position.  And color of the P-3B is seen from holes of P-M3.
Color of P-M3
Silver
Gold
Red
Cobalt Blue
Purple
Dark Gunmetal
Color of P-3B
Silver
Gold
Red
Cobalt Blue
Purple
OD of P-M3 :  27mm