screw jack
Worth a lookShows no brand lock-in (top 5 brands take 43% of clicks), but weak search conversion (1.7%) keeps it on the watch list.
Brand share
Great43%top-5 brand share — no brand owns this niche
Avg price
Great$59.14avg listing price — sweet spot $15–$100
Competition
Great37%top-5 click share — an open shelf
Review moat
Good506.85avg incumbent reviews — the moat a new listing must climb
Returns
Okay3.1%return rate — above 6% kills the launch gate
Growth
Okay+13.3%90-day search growth — must beat 0% to launch
Price range
Okay$8.66–$222.54cheapest to priciest tracked listing — scored on the share inside $15–$100
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Market size
Okay$137K$137K/yr · 137K searches
Conversion
Bad1.7%search→purchase rate — share of searches ending in a sale
Competition
Clicks spread well past the top 5 (37% combined) — an open shelf where new products get seen.Brands
40 falling
Sellers
109
Top-5 brand share
43%
Open market
52%
- VEVOR13%
- Jack Boss10%
- SHALL9%
- TRUCFUSION6%
- ASTAMOTOR6%
- yarlung5%
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 52 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Jack Boss 5 Ton (10 000 LBs) Professional Car Support Screw Jack for House Construction Bridge Stabilization Red
Jack Boss$41.894.8★39 rev
SHALL RV Stabilizer Jacks 4-Pack Heavy Duty Aluminum Jack Stands for Travel Trailer Camper Single Support up to 7500 Lbs RV Leveling Screw Jack with Spare Nuts & Pads Adjustable from 11 to 17
SHALL$40.634.4★197 rev
VEVOR Underhoist Support Stand 3/4 Ton (1653 lbs) Capacity Under Hoist Jack Stand with Two Wheels Lifting from 51.97 to 80 Bearing Mounted Spin Handle Foot Pedal Support Vehicle Components
VEVOR$55.604.7★255 rev
TRUCFUSION 5-8 House Floor Jacks Adjustable Screw Jacks Post Foundation Jacks for Leveling The Basement Floor Load Capacity 5000lbs 4PCS
TRUCFUSION$35.314.4★44 rev
BEBOBLY RV Stack Jacks 4 Pack Screw Jack Stands for RV Camper Travel Trailer Leveling Aluminum Stabilizer Jacks Single Support Unloading Up to 6000 Lbs Adjustable from 11 to 17
BEBOBLY$29.734.5★138 rev
Newest
by launch date
Jack Posts Crawlspace for Leveling Permanent - Carbon Steel Screw Jack for Foundation 16.5-30in M27 Thread Adjustable Jack 10000lb Load Capacity for Attic & Roof Beam Crawl Space Support Post
QARCMQ$117.1377 rev
EZUVITA 4-Pack RV Stabilizer Jacks Each Supports Up to 7500 Lbs Adjustable 1117 Heavy Duty Aluminum with Spare Nuts Rubber Pads & Gloves for Travel Trailer Camper Motorhome
EZUVITA$40.3658 rev
4 Pack Adjustable House Floor Jacks 11-16 Height Range Jack Post for Leveling 3-5 Ton Lod Capacity Heavy-Duty Basement Support Screw Jack for House Foundation Stairs Porches Roof Beams Red
Fanmoss$79.0017 rev
Underhoist Support Stand 1-Ton Capacity 3-Section Adjustable Height 34.8 to 70.9 Self-Locking Threaded Screw with Thrust Bearing Pole Jack 2 Replaceable Saddles for Vehicle Component Support
HYDRAULIC PRO$144.678 rev
4 Pack House Jacks for Leveling Screw Jack Adjustable Floor Jack Post 6 to 9.5 Height Range 4409 lbs Max Height Capacity Crawl Space Jacks for Stairs Porches Roof Beams Temporary Support
Alffun$36.853 rev
Trending
90-day click momentumJack Posts Crawlspace for Leveling Permanent - Carbon Steel Screw Jack for Foundation 16.5-30in M27 Thread Adjustable Jack 10000lb Load Capacity for Attic & Roof Beam Crawl Space Support Post
QARCMQ$117.134.8★
4 Pack 18 Adjustable Leveling Jack Galvanized Solid Screw Jacks with Base Plate for Baker-Style Scaffolding Silver
LEADALLWAY$63.065.0★
4 Pack Adjustable House Floor Jacks 11-16 Height Range Jack Post for Leveling 3-5 Ton Lod Capacity Heavy-Duty Basement Support Screw Jack for House Foundation Stairs Porches Roof Beams Red
Fanmoss$79.004.4★
4 Pack House Jacks for Leveling Screw Jack Adjustable Floor Jack Post 6 to 9.5 Height Range 4409 lbs Max Height Capacity Crawl Space Jacks for Stairs Porches Roof Beams Temporary Support
Alffun$36.854.7★
Underhoist Support Stand 1-Ton Capacity 3-Section Adjustable Height 34.8 to 70.9 Self-Locking Threaded Screw with Thrust Bearing Pole Jack 2 Replaceable Saddles for Vehicle Component Support
HYDRAULIC PRO$144.674.6★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +13.3% search growth over the last 90 days.No pronounced peak months · busiest ÷ quietest = 1.3×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Just as good as the tool truck brands”
“GREAT PRICE”
“Well built, well engineered”
“Exactly what I needed”
“Easy to use”
“Works good for my little camper”
“They adjust easily”
“durable enough for my needs”
“easy to install”
“Built well”
What buyers complain about
“no quality control”
“Small jacks”
“These are really flimsy”
“Not like the cheep ones very heavy duty”
“Picture attached showing paint issue, and final assembly, note lube was required in addition to scraping off excess paint”
“Likely to corrode”
“Didn't work for me”
“No information whatsoever regarding delivery”
“All pieces are different”
“Not Practical”