 | SP, SQ Series | Hexagonal threaded spacer (M3) SP=female/female SQ=male/female |
|---|---|---|
 | 4SP, 4SQ Series | Hexagonal threaded spacer (M4) 4SP=female/female 4SQ=male/female |
 | 2.6SP, 2.6SQ Series | Hexagonal threaded spacer (M2.6) 2.6SP=female/female 2.6SQ=male/female |
 | 2SP, 2SQ Series | Hexagonal threaded spacer (M2) 2SP=female/female 2SQ=male/female |
 | RP, RQ Series | Circular threaded spacer (M3) RP=female/female RQ=male/female |
 | SR Series | Hexagonal threaded spacer (M3) male/male |
 | ER Series | Circular spacer (M2, 2.6, 3, 4) |