Half pier compatible with Standard Camera tripods (3/8inch thread). Mounts and half pier are tightened with two M8 knob bolts, making them more secure than one 3/8 inch bolt. The half pier adapter rotates 360 degrees for easy polar alignment. Material : Aluminum (AL6061) Weight : 1.3kg Downlaod Drawing(PDF)

This adapter makes the bottom of the RST-300 and RST-135 mounts the same as the bottom of the AP Mach1 mount. A pier or tripod for AP Mach1 can be used for RST mount. Material: aluminum Weight : 0.7kg Drawing

This is an upgraded part to improve the polar alignment of RST-135 (RST-150H) mount. We sell a complete mount base for users to easily upgrade themselves. You can save the cost of shipping mounts for upgrades and save time.  The upgrade kit includes all necessary parts, bolts and tools. We will provide a manual. We

Vixen type Saddle Made in Taiwan Weight : 0.22kg

Half pier compatible with iOptron tripod. Material : Aluminum (AL6061) Weight : 1.6kg Download Drawing(PDF)

Shaft for using weights on RST-135 and RST-150H mounts. 18mm in diameter. Made of stainless steel, no rust.

3kg weight for RST-135 and RST-150H. This prevents the tripod from falling and increases the load capacity of the mount. The hole diameter of the weight is 18mm. Made of stainless steel, no rust.

Half pier compatible with Avalon T-POD 90 tripod. Material : Aluminum (AL6061) Weight : 1.3kg Download Drawing(PDF)

Half pier compatible with Avalon T-POD 110, 130 tripods. Material : Aluminum (AL6061) Weight : 1.6kg Download Drawing(PDF)

Half pier compatible with Gitzo Systemetic 3 Series, 4 Series and Xiletu L404C tripods. Mounts and half pier are tightened with two M8 knob bolts, making them more secure than one 3/8 inch bolt. The half pier adapter rotates 360 degrees for easy polar alignment. Material : Aluminum (AL6061) Weight : 1.3kg Downlaod Drawing(PDF)

Half pier compatible with Gitzo Systemetic 5 Series, RT90C and Leofoto LN404C tripods. Mounts and half pier are tightened with two M8 knob bolts, making them more secure than one 3/8 inch bolt. The half pier adapter rotates 360 degrees for easy polar alignment. Material : Aluminum (AL6061) Weight : 1.3kg Download Drawing(PDF)