The K&M 21105 Counterweight is designed to mount onto the end of K&M microphone boom arms to provide added stabilization when heavy microphones and mounting hardware are used. The durable steel unit weighs 1.76 lb and features a screw-down mechanism for a secure fit. The 21105 counterweight is compatible with all K&M boom arms with a 3/8" thread or 15mm tube diameter.

Use to Counterbalance Heavy Microphones    Fits All K&M Boom Arms with 3/8" Thread    Fits All K&M Boom Arms with 15mm Tube    Heavy-Duty Steel Construction    Weighs 1.7 lb

Related Questions and Answers

Q: 1. Will this accessory work with the Manfrotto MVMXPRO500US XPRO Aluminum Video Monopod?

A: Yes, all you need is this adapter, Impact Short Double-Female Round Spigot with 1/4"-20 and 3/8"-16 Threads B&H # IMSRP101P

Q: 2. What is the total length of this when opened out straight?

A: Length 5.9" / 15 cm

Q: 3. Photos show this being screwed into Manfrotto Tripods where the rosette handle mounts up. This is a metric 6mm thread. Does this come with the 6mm adapter?

A: Each end will be a 1/4 20 and there will be a 3/8 adapter included.

Q: 4. Does this Tilt Arm work with SmallHD 500 series monitors like the 501 & 502?

A: Yes it does. The Focus 180 Degree Tilt Arm is compatible with the SmallHD 500 Series Monitors as well. This will work with B&H Numbers SMMON501 and SMMON502.https://bhpho.to/2gPgDPOhttps://bhpho.to/2hRBArA

Q: 5. The wheels become loose all of the time. Any tips on how to keep them tight???

A: Same problem. No solution as of yet

Q: 6. Is this good enough to hold a yolobox ultra and is this gonna fit in a manfrotto 055 tripod easy link thread?

A: Yes, the Manfrotto 244 Micro Friction Arm will mount directly to the Manfrotto MT055 tripod's Easy Link tread and it can support the weight of the YoloBox Ultra.

Q: 7. the photo shows 1/4 -20 studs installed on both ends, plus a loose 3/8 -16 stud. But, the description says one 1/4 -20 stud and one 3/8 -16 stud. Which is correct?

A: The arm comes with two 1/4 fittings on it. The extra part is the 3/8 adapter, which you screw onto one end and attach to the tripod. I have the arm holding a 7 monitor and its works great. You tighten the clamp and it stays.

Q: 8. Is this smallrig clamp going to fit the Weebil 2 baseplate?

A: The SmallRig Counterweight Kit can fit the Weebill 2 baseplate.

Q: 9. Will this accessory work on a Satchler FSB 6 Fluid Head?

A: You will need the Sachtler 3987 Accessory Mount Kit B&H # SAAM to add the necessary threads. https://bhpho.to/2GgEJPi

Q: 10. Can this stand break down or does the boom detach?

A: The boom arm of the Manfrotto 420B Combi Boom Stand (Black) does not detach from the stand, but it can be rotated so that it becomes part of a regular stand, with no boom arm.